Pollination of the Bartlett Pear; B307Warren P. (Warren Porter) B. Tufts · First published 2021Open the Tome
Pollination of the Sweet Cherry; B385Warren P. (Warren Porter) B. Tufts, Guy L. (Guy Lockhart) 1890-1947 Philp · First published 2021Open the Tome
Reproduction and pollination studies on Guayale, Parthenium argentatum Gray and P. incanum H. B. K.LeRoy Powers, Reed C. Rollins · First published 1945Open the Tome
