Caspar Hasselriis papers 1906-1973

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Main Author: Hasselriis, Caspar
Format: Manuscript
Language: Danish
Subjects: Biological pest control agents industry--United States.
Danish literature--United States.
Pests--Biological control--Denmark.
Pests--Biological control--United States.
Pests--Law and legislation--United States.
Rats--Control.
Online Access: Finding aid online: http://hsp.org/sites/default/files/legacy_files/migrated/findingaidmss173hasselriis.pdf

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