Dorothy Nortman
Horn, Jeff Ph. D.
Herbert Thurston
Lee L. Bean
Reto Schumacher
Fred Arnold
National Center for Health Statistics (U.S.)
A. F. Volkov
Grace Harris
Markaz-i Āmār-i Īrān
Great Britain. General Register Office
G. Udny Yule
Neville D. Hicks
Frank Lorimer
National Center for Health Statistics (U.S.).
Verena Steinecke
Ernell Spratley
United States. Bureau of the Census