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  1. The botanical class-book, and flora of Pennsylvania, designed for seminaries of learning and private classes.
    By: Noll, Henry R.
    Publication info: Lewisburg, Pa.,O. N. Worden, printer,1852.
    Contributed by: Library of Congress
    BHL Collections: Library of Congress
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  2. Flora of Pennsylvania, and botanist's pocket manual : comprising a glossary of botanical terms, analytical tables, and the natural orders ...
    By: Noll, Henry R.
    Publication info: Philadelphia :Lippincott, Grambo,1851.
    Contributed by: Mertz Library, The New York Botanical Garden
    BHL Collections: New York Botanical Garden
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