Feldstein, Stephanie Bats: The Dark-Winged Crusaders

Feldstein, Bonnie Riders of the Seminary: A Journal of Amazing American Women Equestrians: A Journal of Amazing American Women Equestrians

Mark Feldstein & Associates Mark Feldstein and Associates original sjungande fågel vägg/skrivbordsklocka, 8 tum

Feldstein, Stephanie Freshwater Mussels: Legion of Super Mollusks

Mark Feldstein & Associates Mark Feldstein den ursprungliga sjungande fågelklockan 25-årsjubileum utgåva (8 tum, grön)

Mark Feldstein & Associates Audubon sjungande fågelvägg/skrivbordsklocka, 20 cm

Feldstein, Stephanie Native Bees: The Sensational Swarm