Harvard University. Gray Herbarium

Gray Herbarium index; Harvard University

Amendments to the Paris code of botanical nomenclature, suggested for the consideration of the Vienna congress of 1905 by the botanists of the Gray herbarium, the Cryptogamic herbarium, and the Botanical museum of Harvard university

Gaspe Peninsula Collecting Papers

Plantae exsiccatae Grayanae

Contributions from the Gray Herbarium of Harvard University

Asa Gray correspondence files of the Gray Herbarium

Letters of the Gray Herbarium file