Bd. 1. Aaron - Crandall. 1900
https://archive.org/details/appletonscyclopa01wils
Bd. 2. Crane - Grimshaw. 1900
https://books.google.com/books?id=LS0EAAAAYAAJ
https://archive.org/details/appletonscyclopa02wils
https://archive.org/details/bub_gb_LS0EAAAAYAAJ_2
http://hdl.handle.net/2027/nyp.33433082541230
Bd. 3. Grinnell - Lockwood. 1900
Bd. 4. Lodge - Pickens. 1900
https://books.google.com/books?id=5SwEAAAAYAAJ
https://archive.org/details/appletonscyclopa04wils
http://hdl.handle.net/2027/nyp.33433082541248
Bd. 5. Pickering - Sumter. 1900
https://books.google.com/books?id=gCwEAAAAYAAJ
https://archive.org/details/appletonscyclopa05wils
https://archive.org/details/appletonscyclop00wilsgoog
http://hdl.handle.net/2027/nyp.33433082541255
Bd. 6. Sunderland - Zurita. 1900
Bd. 7. Abbett - Young, and analytical index. 1901
https://books.google.com/books?id=f6oLAAAAIAAJ
https://books.google.com/books?id=A2NIAAAAYAAJ
https://archive.org/details/appletonscyclop02unkngoog
http://hdl.handle.net/2027/mdp.49015002848753
http://hdl.handle.net/2027/nnc1.cr00161926
http://hdl.handle.net/2027/mdp.39015030882313