Feldman Howard R,Radulovic Barbara V,Ahmad Fayez (2023) Callovian (Middle Jurassic) Sphriganaria (Brachiopoda) from the Jordan Valley (Middle East), HISTORICAL BIOLOGY, vol. 35, br. 10, str. 1831-1844 (Article) 

Feldman Howard R,Radulovic Barbara V,Radulovic Vladan J,Ahmad Fayez (2021) Callovian (Middle Jurassic) terebratulide brachiopods from the Jordan Valley (northwestern Jordan), HISTORICAL BIOLOGY, vol. 33, br. 7, str. 1053-1065 (Article) 

Feldman Howard R,Radulovic Barbara V,Radulovic Vladan J,Ahmad Fayez (2021) Middle Jurassic terebratulide brachiopods from the Jordan Valley (northwestern Jordan), HISTORICAL BIOLOGY, vol. 33, br. 4, str. 446-462 (Article) 

Feldman Howard R,Radulovic Vladan J,Hegab Adel AA,Radulovic Barbara V (2014) Sinaithyris, a New Name for the Middle Jurassic Terebratulid Brachiopod Cooperithyris Feldman, Radulovic, Hegab, and Radulovic, 2012 Preoccupied by Cooperithyris Tchorszevsky, 1988, JOURNAL OF PALEONTOLOGY, vol. 88, br. 5, str. 1094-1094 (Editorial Material) 

Feldman Howard R,Radulovic Vladan J,Hegab Adel AA,Radulovic Barbara V (2012) Taxonomy and Paleobiogeography of Late Bathonian Brachiopods From Gebel Engabashi, Northern Sinai, JOURNAL OF PALEONTOLOGY, vol. 86, br. 2, str. 238-252 (Article)