Patent Practice and Managementby Robert CalvertOrland · Water Pollution Control Federation1950PDF158 KB
Ain't Gonna Pay for War No More by Robert Calvert (War Tax Resistance; 127 pp.; $1.00)Worldview1972PDF216 KB
Diatomaceous earth: By Robert Calvert. American Chemical Society Monograph Series. 251 pages, illustrations, 8vo. New York, The Chemical Catalog Company, Inc., 1930. Price, $5.00Leffmann · Journal of the Franklin Institute1930PDF161 KB
Diatomaceous Earth. Von Robert Calvert. Monograph Series der American Chemical Society. 251 S. mit 70 Abbildungen. Verlag Chemical Catalog-Company, New York 1930. Preis 5 DollarNeumann · Angewandte Chemie1930PDF169 KB
The History of Texas.by Robert A. Calvert; Arnoldo De LeonMcDonald · The Journal of Southern History1991PDF373 KB
Texas through Time: Evolving Interpretationsby Walter Buenger; Robert A. CalvertGould · Pacific Historical Review1992PDF254 KB
Texas Through Time: Evolving Interpretations.by Walter L. Buenger; Robert A. CalvertMcDonald · The Journal of Southern History1993PDF298 KB
Texas through Time: Evolving Interpretationsby Walter L. Buenger; Robert A. CalvertOdom · Project MUSE1993PDF304 KB
Texas Through Time: Evolving Interpretationsby Walter L. Buenger; Robert A. CalvertPrice · Western Historical Quarterly1992PDF122 KB
The History of Texasby Robert A. Calvert; Arnoldo De Léon; Gregg CantrellCarlson · Southwestern historical quarterly2009PDF290 KB
Chicano: The Evolution of a Peopleby Renato Rosaldo; Robert A. Calvert; Gustav L. SeligmannLeon · Project MUSE1984PDF265 KB
