"Name and dates derived from a website. American professor and horticulturalist"@en . . "Barber, Bertram A."@en . . "2015-06-18"^^ . "2015-07-16"^^ . "2015-08-25"^^ . "2015-06-18"^^ . "2015-07-16"^^ . "2015-08-25"^^ . "active ca. 1920-1930"@en . . .