Argue, Charles L.
The Pollination biology of North American orchids: volume 2 North of Florida and Mexico
[Springer, ], 2012
 eBooks
Burt, William Henry
A field guide to the mammals : field marks of all North American species found north of Mexico
Houghton Miffiln, 1976
 Buku Referensi
Borror, Donald J.
A field guide to the insects of America north of Mexico
Houghton Mifflin, 1976
 Buku Referensi
Wilson, Eva, 1925-
North American Indian designs
British Museum, 1998
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Bowen, Elizabeth, 1899-1973
To the north
Continental Book Company, 1946
 Buku Teks