Vernon D. Ryan has written:
'Research on regional economic development efforts in Iowa's rural counties'
Vernon D. Ferrell has written: 'The descendents of Thomas Jefferson Ferrell'
J. D. R. Vernon has written: 'Tortrix moths on strawberry'
Gerald D. Ryan has written: 'Radiographic positioning of small animals' -- subject(s): Positioning, Veterinary radiography
Vernon D. Erickson has written: 'Births, deaths, marriages and other genealogical gleanings from newspapers for Crawford, Vernon and Richland counties, Wisconsin, 1873-1910' -- subject(s): Abstracts, Genealogy, American newspapers
Lawrence D. Ryan has written: 'System and circuit design of the transformatrix coefficient processor and output data channel' -- subject(s): Digital-to-analog converters, Fourier transformations, Optical data processing
D. D. Christie has written: 'The quirister'
D. Tsedmaa has written: '\\'
D. A. Powell has written: '\\'
D D. Nibbelink has written: 'Bigger and better'
D. J. D. Hickman has written: 'The \\'
D D. Glagoi has written: 'Russkie poetry'
D. D. Ridley has written: 'Online searching'