Development of Agriculture in Georgia from 1850 to 1920. A Series of Four Articles, from the Georgia Historical Quarterly (Macon, Georgia) Vol. 6, Nos. 1-4. 1922-23. By Roland M. Harper.Roland McMillan Harper1923
Georgia harvest and utilization study, 2004 / James W. Bentley and Richard A. Harper.James Bentley2006
Quality of cotton ginned in Georgia, crops of 1928-36. By W. B. Lanham, F. H. Harper, and G. E. Miller.W. B. Lanham1937
Rater tendencies in estimating qualifications required by Air Force tasks / Llewellyn Wiley, Hal B. Harber, M. Joyce Giorgia.Llewellyn. Wiley1959