Quidam65
→System in 21st century
17:06
+16
DavidB4-bot
→Bibliography: HTTP --> HTTPS #3, replaced: http://www.amazon.com → https://www.amazon.com
05:52
+1
Desmonduk
spelling
01:12
HTTP --> HTTPS [#1], replaced: http://books.google.com → https://books.google.com (3)
14:05
+3
DavidB4
category capitalization
18:08
new
14:20
+38
Spelling/Grammar Check & Cleanup, typos fixed: Nation-wide → Nationwide
13:27
-17
clean up & uniformity
00:22
+66
category
14:26
RJJensen
no edit summary
16:35
-5
→External links
03:06
+80
23:53
+22
23:50
+6
cat
23:46
+130
tweaks
23:44
+30
new article
23:40
+15,030