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- Experiment Station Record, Volume 39, July-December, 1918
- Volume provides abstracts of agricultural experiments conducted during the year. Also includes statistics, convention reports, bulletins, bibliographies, and listings for Spanish edition publications from the Porto Rico station. Name and subject indexes start on page 901.
- General Index to Experiment Station Record, Volumes 26-40, 1912-1919
- A topical, alphabetically arranged index to volumes 26-40 including experiment station records, publications reviewed, and foreign publications. In has a 'Consolidated Table of Contents' which lists all editorial notes and publications of the experiment stations and Department of Agriculture from the referenced volumes.