Polling: A guide to what you need to know when you pick up the phone
SON OF ELMO ROPER FOUND DEAD IN HOME - The New York Times
Saturday Review October 3 1959 ALBERT COONS ELMO ROPER H. Jack Geiger | eBay
Pioneers of Polling | Roper Center for Public Opinion Research
SATURDAY REVIEW DECEMBER 15 1962 ELMO ROPER JOHN CIARDI John Coltrane £7.77 - PicClick UK
Saturday Review October 27 1962 WILLIAM BENTON PAUL HUME ELMO ROPER | eBay
11 Elmo Roper Photos and Premium High Res Pictures - Getty Images
Polling: A guide to what you need to know when you pick up the phone
11 Elmo Roper Photos and Premium High Res Pictures - Getty Images
You And Your Leaders; Their Actions and Your Reactions, 1936-1956.: Elmo Roper: Books - Amazon
Daily Research News Online no. 21518 - New Home for Roper Center
Crossley Center for Public Opinion Research: Crossley, Roper and Gallup Establish Presidential Polling and Remedy Early Errors
FORTUNE MAGAZINE, The Surveys, Elmo Roper and Pictograms
Elmo Roper convention NBC 1952 Vintage Photo Print - Historic Images
Elmo Roper books and biography | Waterstones
ELMO ROPER
Elmo Roper Archives – Past Daily: News, History, Music And An Enormous Sound Archive.
Roper Center for Public Opinion Research
Elmo Roper 1971 Vintage Photo Print - Historic Images
Elmo Roper, Pollster, Is Dead; Predicted '36 Roosevelt Victory - The New York Times
Personal Influence on Apple Books
Elmo Roper | American pollster | Britannica
Elmo Roper – News, Research and Analysis – The Conversation – page 1
FORTUNE MAGAZINE, The Surveys, Elmo Roper and Pictograms
Elmo Roper | Roper Center for Public Opinion Research
11 Elmo Roper Photos and Premium High Res Pictures - Getty Images
