diff --git a/shelf/presbyterium/18thcentury/NTRechenberg.php b/shelf/presbyterium/18thcentury/NTRechenberg.php
index 9b33711..4892633 100644
--- a/shelf/presbyterium/18thcentury/NTRechenberg.php
+++ b/shelf/presbyterium/18thcentury/NTRechenberg.php
@@ -85,7 +85,7 @@
 		<div class="responsive">
 			<div class="gallery">
 				<a target="_blank" href="/media/imgs/NTRechenberg/IMG_0177.jpg">
-					<img src="/media/imgs/NTRechenberg/IMG_0177" alt="Title page with illustration on verso." width="600" height="400" onerror="this.onerror=null; this.src='/media/imgs/NTRechenberg/IMG_0177.jpg'" alt="Title page with illustration on verso." width="600" height="400">
+					<img src="/media/imgs/NTRechenberg/IMG_0177.webp" alt="Title page with illustration on verso." width="600" height="400" onerror="this.onerror=null; this.src='/media/imgs/NTRechenberg/IMG_0177.jpg'" alt="Title page with illustration on verso." width="600" height="400">
 				</a>
 				<div class="desc">Title page with illustration on verso.</div>
 			</div>
@@ -94,7 +94,7 @@
 		<div class="responsive">
 			<div class="gallery">
 				<a target="_blank" href="/media/imgs/NTRechenberg/IMG_0181.jpg">
-					<img src="/media/imgs/NTRechenberg/IMG_0181" alt="Place of printing (Lipsiæ, Leipig), author and date of publishing." width="600" height="400" onerror="this.onerror=null; this.src='/media/imgs/NTRechenberg/IMG_0181.jpg'" alt="Place of printing (Lipsiæ, Leipig), author and date of publishing." width="600" height="400">
+					<img src="/media/imgs/NTRechenberg/IMG_0181.webp" alt="Place of printing (Lipsiæ, Leipig), author and date of publishing." width="600" height="400" onerror="this.onerror=null; this.src='/media/imgs/NTRechenberg/IMG_0181.jpg'" alt="Place of printing (Lipsiæ, Leipig), author and date of publishing." width="600" height="400">
 				</a>
 				<div class="desc">Place of printing author and date of publishing.</div>
 			</div>
@@ -103,7 +103,7 @@
 		<div class="responsive">
 			<div class="gallery">
 				<a target="_blank" href="/media/imgs/NTRechenberg/IMG_0191.jpg">
-					<img src="/media/imgs/NTRechenberg/IMG_0191" alt="Closeup of illustration." width="600" height="400" onerror="this.onerror=null; this.src='/media/imgs/NTRechenberg/IMG_0191.jpg'" alt="Closeup of illustration." width="600" height="400">
+					<img src="/media/imgs/NTRechenberg/IMG_0191.webp" alt="Closeup of illustration." width="600" height="400" onerror="this.onerror=null; this.src='/media/imgs/NTRechenberg/IMG_0191.jpg'" alt="Closeup of illustration." width="600" height="400">
 				</a>
 				<div class="desc">Closeup of illustration.</div>
 			</div>
@@ -112,7 +112,7 @@
 		<div class="responsive">
 			<div class="gallery">
 				<a target="_blank" href="/media/imgs/NTRechenberg/IMG_0195.jpg">
-					<img src="/media/imgs/NTRechenberg/IMG_0195" alt="Closeup of Bible quote on illustration." width="600" height="400" onerror="this.onerror=null; this.src='/media/imgs/NTRechenberg/IMG_0195.jpg'" alt="Closeup of Bible quote on illustration." width="600" height="400">
+					<img src="/media/imgs/NTRechenberg/IMG_0195.webp" alt="Closeup of Bible quote on illustration." width="600" height="400" onerror="this.onerror=null; this.src='/media/imgs/NTRechenberg/IMG_0195.jpg'" alt="Closeup of Bible quote on illustration." width="600" height="400">
 				</a>
 				<div class="desc">Closeup of Bible quote on illustration.</div>
 			</div>
@@ -157,7 +157,7 @@
 		<div class="responsive_2">
 			<div class="gallery">
 				<a target="_blank" href="/media/imgs/NTRechenberg/preface/preface_1.jpg">
-					<img src="/media/imgs/NTRechenberg/preface/preface_1" alt="The preface of the first edition (in Latin)" width="600" height="400" onerror="this.onerror=null; this.src='/media/imgs/NTRechenberg/preface/preface_1.jpg'" alt="The preface of the first edition (in Latin)" width="600" height="400">
+					<img src="/media/imgs/NTRechenberg/preface/preface_1.webp" alt="The preface of the first edition (in Latin)" width="600" height="400" onerror="this.onerror=null; this.src='/media/imgs/NTRechenberg/preface/preface_1.jpg'" alt="The preface of the first edition (in Latin)" width="600" height="400">
 				</a>
 				<div class="desc">The preface of the first edition (in Latin)</div>
 			</div>
@@ -166,7 +166,7 @@
 		<div class="responsive_2">
 			<div class="gallery">
 				<a target="_blank" href="/media/imgs/NTRechenberg/preface/prologue_1.jpg">
-					<img src="/media/imgs/NTRechenberg/preface/prologue_1" alt="The prologue of Paul the Apostle" width="600" height="400" onerror="this.onerror=null; this.src='/media/imgs/NTRechenberg/preface/prologue_1.jpg'" alt="The prologue of Paul the Apostle" width="600" height="400">
+					<img src="/media/imgs/NTRechenberg/preface/prologue_1.webp" alt="The prologue of Paul the Apostle" width="600" height="400" onerror="this.onerror=null; this.src='/media/imgs/NTRechenberg/preface/prologue_1.jpg'" alt="The prologue of Paul the Apostle" width="600" height="400">
 				</a>
 				<div class="desc">The prologue of Paul the Apostle</div>
 			</div>
@@ -207,7 +207,7 @@
 		<div class="responsive">
 			<div class="gallery">
 				<a target="_blank" href="/media/imgs/NTRechenberg/map/map_2.jpg">
-					<img src="/media/imgs/NTRechenberg/map/map_2" alt="The name of the place being depicted" width="600" height="400" onerror="this.onerror=null; this.src='/media/imgs/NTRechenberg/map/map_2.jpg'" alt="The name of the place being depicted" width="600" height="400">
+					<img src="/media/imgs/NTRechenberg/map/map_2.webp" alt="The name of the place being depicted" width="600" height="400" onerror="this.onerror=null; this.src='/media/imgs/NTRechenberg/map/map_2.jpg'" alt="The name of the place being depicted" width="600" height="400">
 				</a>
 				<div class="desc">The region’s name</div>
 			</div>
@@ -216,7 +216,7 @@
 		<div class="responsive">
 			<div class="gallery">
 				<a target="_blank" href="/media/imgs/NTRechenberg/map/map_3.jpg">
-					<img src="/media/imgs/NTRechenberg/map/map_3" alt="A legend" width="600" height="400" onerror="this.onerror=null; this.src='/media/imgs/NTRechenberg/map/map_3.jpg'" alt="A legend" width="600" height="400">
+					<img src="/media/imgs/NTRechenberg/map/map_3.webp" alt="A legend" width="600" height="400" onerror="this.onerror=null; this.src='/media/imgs/NTRechenberg/map/map_3.jpg'" alt="A legend" width="600" height="400">
 				</a>
 				<div class="desc">The key of the map</div>
 			</div>
@@ -225,7 +225,7 @@
 		<div class="responsive">
 			<div class="gallery">
 				<a target="_blank" href="/media/imgs/NTRechenberg/map/map_4.jpg">
-					<img src="/media/imgs/NTRechenberg/map/map_4" alt="Closeup of some of the map" width="600" height="400" onerror="this.onerror=null; this.src='/media/imgs/NTRechenberg/map/map_4.jpg'" alt="Closeup of some of the map" width="600" height="400">
+					<img src="/media/imgs/NTRechenberg/map/map_4.webp" alt="Closeup of some of the map" width="600" height="400" onerror="this.onerror=null; this.src='/media/imgs/NTRechenberg/map/map_4.jpg'" alt="Closeup of some of the map" width="600" height="400">
 				</a>
 				<div class="desc">Closeup of the map</div>
 			</div>
@@ -249,21 +249,25 @@
 		<div class="responsive_2">
 			<div class="gallery">
 				<a target="_blank" href="/media/imgs/NTRechenberg/nt/new_testament1.jpg">
-					<img src="/media/imgs/NTRechenberg/nt/new_testament1" alt="The preface of the first edition (in Latin)" width="600" height="400" onerror="this.onerror=null; this.src='/media/imgs/NTRechenberg/nt/new_testament1.jpg'" alt="The preface of the first edition (in Latin)" width="600" height="400">
+					<img src="/media/imgs/NTRechenberg/nt/new_testament1.webp" alt="The Apocalypse of John" width="600" height="400" onerror="this.onerror=null; this.src='/media/imgs/NTRechenberg/nt/new_testament1.jpg'" alt="The preface of the first edition (in Latin)" width="600" height="400">
 				</a>
-				<div class="desc">The preface of the first edition (in Latin)</div>
+				<div class="desc">John’s Revelation</div>
 			</div>
 		</div>
 
 		<div class="responsive_2">
 			<div class="gallery">
 				<a target="_blank" href="/media/imgs/NTRechenberg/nt/new_testament2.jpg">
-					<img src="/media/imgs/NTRechenberg/nt/new_testament2" alt="The prologue of Paul the Apostle" width="600" height="400" onerror="this.onerror=null; this.src='/media/imgs/NTRechenberg/nt/new_testament2.jpg'" alt="The prologue of Paul the Apostle" width="600" height="400">
+					<img src="/media/imgs/NTRechenberg/nt/new_testament2.webp" alt="Gospel of Matthew" width="600" height="400" onerror="this.onerror=null; this.src='/media/imgs/NTRechenberg/nt/new_testament2.jpg'" alt="The prologue of Paul the Apostle" width="600" height="400">
 				</a>
-				<div class="desc">The prologue of Paul the Apostle</div>
+				<div class="desc">Gospel of Matthew</div>
 			</div>
 		</div>
-    <p>Why indeed, one may have already forgotten that the book we are currently discussing is a copy of the Greek New Testament; and as such, this is what makes up the bulk of the volume. Thus, we shall now briefly examine this particular edition of the New Testament, although I will not have much to remark about it — it is, quite simply put, an edition of the New Testament as most others and what makes it remarkable is what I have already discussed and what I shall — in later chapters — conntinue to discuss.</p>
+    <p>Why indeed, one may have already forgotten that the book we are currently discussing is a copy of the Greek New Testament; and as such, this is what makes up the bulk of the volume. Thus, we shall now briefly examine this particular edition of the New Testament, although I will not have much to remark about it — it is, quite simply put, an edition of the New Testament as most others and what makes it remarkable is what I have already discussed and what I shall — in later chapters — continue to discuss.</p>
+
+    <p>The text of the New Testament itself is pretty unremarkable as far as I was able to tell; sure, there are some differences between this edition and the 28<sup>th</sup> edition of the Novum Testamentum Graece (NA 28) or the UBS 5; but unless you are attempting to do a philological or theological study on these texts, the difference between the two is negligible.</p>
+
+    <p>The pages in general are in great condition, all things considered, but there are various holes or blotches that can be spotted on a handful of pages; though this is to be expected from a book of this age. The text, barring the unusual font I still have to get used to, is also very legible and everything can be read with ease. 
   	</div>
     
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