DescriptionMarshallAveryHowe, 1927 .jpg English: Nathaniel L. Britton, Thomas Edison and MarshallAveryHowe at the New York Botanical Gardens; July 1927 Date
Howe July 1927.jpg English: Nathaniel L. Britton, Thomas Edison and MarshallAveryHowe at the New York Botanical Gardens; July 1927 Date July 1927 Source