- Beacham's Guide to the Endangered Species of North America: Vol. 1, Mammals, Birds, Reptiles
- Research Guide to American Historical Biography
- Research Guide to Biography and Criticism: Literature (Vols 1 and 2)
- Beacham's Guide to Endangered Species of North America: Vol. 2, Amphibians, Fishes, Snails, Mussels and Clams
- Beacham's Guide to Endangered Species of North America: Vol. 4, Dicots













