Collier's encyclopedia, with bibliography and index; Volume 1
P.F. Collier & Son, 1954
Buku Referensi
Collier's encyclopedia, with bibliography and index; Volume 7
P.F. Collier & Son, 1954
Buku Referensi
Collier's encyclopedia, with bibliography and index; Volume 9
P.F. Collier & Son, 1954
Buku Referensi
Collier's encyclopedia, with bibliography and index; Volume 11
P.F. Collier & Son, 1954
Buku Referensi
Collier's encyclopedia, with bibliography and index; Volume 13
P.F. Collier & Son, 1954
Buku Referensi