A list of the Aphids of New York von Leonard, Mortimer Demarest

A list of the Aphids of New York von Leonard, Mortimer Demarest

Manual of vegetable-garden insects von Crosby, Cyrus Richard, Leonard, Mortimer Demarest

A list of the Aphids of New York von Leonard, Mortimer Demarest

A list of the insects of New York with a list of the spiders and certain other allied groups von Leonard, Mortimer Demarest

A list of the insects of New York with a list of the spiders and certain other allied groups

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