This collection contains publications, photographs, and other material regarding pest control research and services during
the early-mid 1900s. Primarily includes publications pertaining to plant disease and pest control in the citrus industry by
researchers such as Henry J. Quayle and R.S. Woglum. Additional material regarding the pest control services of Washburn &
Sons in Riverside, California and surrounding areas is also included.
Washburn & Sons is a pest control service located in Riverside, California that worked closely with local citrus growers and
the University of California, Riverside Citrus Research Center and Agricultural Experiment Station (formerly Citrus Experiment
Station) in the early-mid 1900s regarding plant disease and insect control in citrus orchards.
1.5 linear feet
(2 document boxes, 1 flat storage box)
Copyright has not been assigned to the University of California, Riverside Libraries, Special Collections & Archives. All
requests for permission to publish or quote from manuscripts must be submitted in writing to the Head of Special Collections
& Archives. Permission for publication is given on behalf of the Regents of the University of California as the owner of the
physical items and is not intended to include or imply permission of the copyright holder, which must also be obtained by
This collection is open for research.