A field guide to freshwater fishes : North America north of Mexico

by Page, Lawrence M.
Published 1991

A field guide to venomous animals and poisonous plants, North America, north of Mexico

by Foster, Steven, 1957-
Published 1994

A field guide to warblers of North America

by Dunn, Jon L. 1954-
Published 1997

A field guide to eastern trees : eastern United States and Canada, including the Midwest

by Petrides, George A.
Published 1998