Bd. 1. Systematisches Verzeichnis in- und ausländischer Schriften. 1807
https://books.google.com/books?id=VrzPAAAAMAAJ
https://books.google.com/books?id=mstEAAAAcAAJ
https://books.google.com/books?id=JKYKAAAAYAAJ
https://books.google.com/books?id=yMtEAAAAcAAJ
https://books.google.com/books?id=38pEAAAAcAAJ
https://archive.org/details/bub_gb_38pEAAAAcAAJ
https://archive.org/details/bub_gb_mstEAAAAcAAJ_2
https://archive.org/details/bub_gb_VrzPAAAAMAAJ
http://resolver.sub.uni-goettingen.de/purl?PPN775912115_1796_1800_1
http://www.mdz-nbn-resolving.de/urn/resolver.pl?urn=urn:nbn:de:bvb:12-bs...
http://www.mdz-nbn-resolving.de/urn/resolver.pl?urn=urn:nbn:de:bvb:12-bs...
http://hdl.handle.net/2027/nyp.33433066595574
http://hdl.handle.net/2027/ien.35556017203928
http://hdl.handle.net/2027/mdp.39015055355872
Bd. 2. Systematisches Verzeichnis in- und ausländischer Schriften. 1807
https://books.google.com/books?id=o8xEAAAAcAAJ
https://books.google.com/books?id=58pEAAAAcAAJ
https://books.google.com/books?id=TspEAAAAcAAJ
https://books.google.com/books?id=JaYKAAAAYAAJ
https://books.google.com/books?id=rrvPAAAAMAAJ
https://archive.org/details/bub_gb_58pEAAAAcAAJ
https://archive.org/details/bub_gb_TspEAAAAcAAJ
http://resolver.sub.uni-goettingen.de/purl?PPN775912115_1796_1800_2
http://www.mdz-nbn-resolving.de/urn/resolver.pl?urn=urn:nbn:de:bvb:12-bs...
http://www.mdz-nbn-resolving.de/urn/resolver.pl?urn=urn:nbn:de:bvb:12-bs...
http://hdl.handle.net/2027/nyp.33433066595566
http://hdl.handle.net/2027/mdp.39015055355864
Bd. 1. 1807
http://gdz.sub.uni-goettingen.de/dms/load/toc/?PPN=PPN775912115_1796_180...
https://books.google.com/books?id=VrzPAAAAMAAJ&pg=PA61
https://archive.org/stream/bub_gb_VrzPAAAAMAAJ#page/n11
http://hdl.handle.net/2027/mdp.39015055355872?urlappend=%3Bseq=13
Bd. 2. 1807
http://gdz.sub.uni-goettingen.de/dms/load/toc/?PPN=PPN775912115_1796_1800_2
https://books.google.com/books?id=o8xEAAAAcAAJ&pg=RA1-PA1
https://archive.org/stream/bub_gb_58pEAAAAcAAJ#page/n563
http://reader.digitale-sammlungen.de/de/fs1/object/display/bsb10528625_0...
http://hdl.handle.net/2027/nyp.33433066595566?urlappend=%3Bseq=628
Wikipedia, dt.
http://de.wikipedia.org/wiki/Johann_Samuel_Ersch
Allgemeine Deutsche Biographie 6 (1877), S. 329-331
http://www.deutsche-biographie.de/pnd100805949.html?anchor=adb
Neue Deutsche Biographie 4 (1959), S. 632-633
http://www.deutsche-biographie.de/pnd100805949.html