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1
Serial -
2
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3Published 1938Subjects: “...Agricultural extension work Texas Periodicals....”
Journal -
4
Newspaper -
5Published 1939Subjects: “...Agricultural extension work Texas Periodicals....”
Journal -
6Published 1939Subjects: “...Agricultural extension work Texas Periodicals....”
Microform Journal -
7by Lancaster, Robert R.Subjects: “...Agricultural extension work United States....”
Published 1949
Manuscript