Author
Chamber of Commerce of Greater Philadelphia
3
Hội Chuyên Nghiệp Điện Toán Việt Nam
2
Latvian Credit Union (Toronto, Ont.)
2
AIDS Information Network (Philadelphia, Pa.)
1
Chestnut Street Association (Philadelphia, Pa.)
1
Gale Research Inc
1
National Negro Business League
1
Newcomen Society in North America
1
Newcomen Society of the United States
1
Penjerdel (Corporation)
1
Philadelphia Chinatown Development Corporation
1
Weiss, N.
1