Thomson Gale
Myla Goldberg
Illinois State Library
O. D. Eroshkina
Online Information Centre.
Stephen R. Adams
American Chemical Society Chemical Abstracts Service
D. M. T͡Sukerblat
M. Roland
Mihai Lupu
Sugimura, Masaru
Unknown Author
Russell Krajec
World Intellectual Property Organization
World Health Organization. Regional Office for South-East Asia
E. J. Feterstonhaugh
Public Record Office
Deborah Dicaro