Education Development Center. (Corporate Name)

Data from Nat. AV Center for Infinity factory. Angles [VR] 1975, distributed 1981 (Educational Development Center; Newton, Mass.)

Phone call to Educ. Dev. Ctr., 5/14/85 (Educational Development Center; not same as Educational Development Corporation)

Who can become an American? c1979: t.p. (Education Development Center; Newton, Mass.) p. 4 of cover (EDC)

Boston tel. dir., 1987-1988 (Education Development Center; Newton)

Moving forward, expanding collaborations between traffic safety and public health, 1996?: t.p. (Education Development Center, Inc.; Newton, MA)