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Ralph E. Ehrenberg and Herman J. Viola
Levenger Press 2015
Available at 1 libraries
[edited by Ralph E. Ehrenberg]
National Geographic c2006
Available at 6 libraries
[compiled by Ralph E. Ehrenberg ... et al.]
Library of Congress 1996
Available at 3 libraries
Ralph E. Ehrenberg ; preface by Alan K. Henrikson ; consultants, Joseph W. Wiedel, John A. Wolter ; editor, Zdeněk V. David
Smithsonian Institution Press 1987 Scholars' guide to Washington, D.C. no. 12
pbk.
Ralph E. Ehrenberg
Society of American Archivists 1982 SAA basic manual series
: pbk
Seymour I. Schwartz and Ralph E. Ehrenberg
Harry N. Abrams 1980
edited by Ralph E. Ehrenberg
Howard University Press 1975 National Archives conferences v. 9
Available at 28 libraries