Pringle's Ideal Shorthand, by Harry Polk Pringle; a Light-line Phonography Which Responds to All Requirements.Harry Polk. Pringle1915EN
FURTHER NEW AND IMPERFECTLY KNOWN PLANTS COLLECTED IN MEXICO BY C. G. PRINGLE IN THE SUMMER OF 1893Robinson et al. · Contributions from the Gray Herbarium of Harvard University1894PDF993 KB
DESCRIPTIONS OF NEW PLANTS, CHIEFLY GAMOPETALÆ, COLLECTED IN MEXICO BY C. G. PRINGLE IN 1889 AND 1890Robinson · Contributions from the Gray Herbarium of Harvard University1891PDF1.0 MB
DESCRIPTIONS OF NEW AND HITHERTO IMPERFECTLY KNOWN PLANTS COLLECTED IN MEXICO BY C. G. PRINGLE IN 1892 AND 1893Robinson · Contributions from the Gray Herbarium of Harvard University1894PDF926 KB
Additions to the Phænogamic Flora of Mexico, Discovered by C. G. Pringle in 1891-92Robinson et al. · American Academy of Arts and Sciences1892PDF1.3 MB
New and Noteworthy Plants chiefly from Oaxaca collected by Messrs. C. G. Pringle, L. C. Smith and E. W. NelsonROBINSON et al. · Contributions from the Gray Herbarium of Harvard University1895PDF1.7 MB
Filices Mexicanæ. V. An Enumeration of the Ferns Collected in Mexico by C. G. Pringle of Charlotte, Vermont, During the Seasons 1891-1892 and 1893Davenport · Botanical Gazette1894PDF593 KB
Descriptions of New Plants, Chiefly Gamopetalæ, Collected in Mexico by C. G. Pringle in 1889 and 1890Robinson · Proceedings of the American Academy of Arts and Sciences1890PDF1.3 MB
DESCRIPTIONS OF NEW PLANTS COLLECTED IN MEXICO BY C. G. PRINGLE IN 1890 AND 1891, WITH NOTES UPON A FEW OTHER SPECIESRobinson · Contributions from the Gray Herbarium of Harvard University1892PDF1.5 MB
Descriptions of New Plants Collected in Mexico by C. G. Pringle in 1890 and 1891, with Notes upon a Few Other SpeciesRobinson · American Academy of Arts and Sciences1891PDF2.1 MB
Further New and Imperfectly Known Plants Collected in Mexico by C. G. Pringle in the Summer of 1893Robinson et al. · Proceedings of the American Academy of Arts and Sciences1893PDF1.3 MB