The Library of the American Entomological Society : and a brief review of the Society's association with The Academy of Natural Sciences of Philadelphia /

by Boyd, Howard P.
[Phila., Pa.] : American Entomological Society, 1984

Wildflowers of the Pine Barrens of New Jersey /

by Boyd, Howard P.
Meford, NJ : Plexus Pub., 2000

A Pine Barrens odyssey : a naturalist's year in the Pine Barrens of New Jersey /

by Boyd, Howard P.
Medford, NJ : Plexus Pub., 1997

The ecological Pine Barrens of New Jersey : an ecosystem threatened by fragmentation /

by Boyd, Howard P.
Medford, NJ : Plexus Pub., 2008

A field guide to the Pine Barrens of New Jersey : its flora, fauna, ecology and historic sites /

by Boyd, Howard P.
Medford, NJ : Plexus Publishing, Inc., 1991

Wildflowers of the Pine Barrens of New Jersey /

by Boyd, Howard P.
Medford, NJ : Plexus Pub., 2001