The Life and Work of John W. Harshberger, Ph.D.
The Life and Work of John W. Harshberger
Text-book of Mycology and Plant Pathology, by John W. Harshberger
Maize;pba Botanical and Economic Study.pcBy John W. Harshberger ...
Conspectus of the Places Worthy of Preservation for Ecologic Study in the Territory of John W. Harshberger Comprising the States of New Jersey, Pennsylvania, Delaware, Maryland, Virginia and West Virginia
The Life and Work of John W. Harshberger
The Botanists of Philadelphia and Their Work
Collected Reprints
The Vegetation of South Florida South of 270 30 ́north
The Purposes of Ethno-botany
A Botanical Excursion to Mexico
Pennsylvania Men Commemorated in the Names of Plants
Textbook of Pastoral and Agricultural Botany
A Text-book of mycology and plant pathology
A Botanist in Jotunheimen
A Classification of the Departments of Botany and an Arrangement of Material Based Thereon
The Vegetation Of The New Jersey Pine-barrens
Phytogeographic Survey of North-America. (etc.)
The Botanists of Philadelphia and Their Work
Botanical Observations on the Mexican Flora, Especially on the Flora of the Valley of Mexico