by Nancy Hartshorne Kirk
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More thoughts on bithecae, budding and b...
Some thoughts on convergence and diverge...
Some thoughts on the construction and fu...
Some thoughts on the construction of the...
Graptolites of New York
Letters of Walter Savage Landor, private...
The Llandovery graptolites of the Englis...
A bibliographic index of British graptol...
Palaeoecology and biostratigraphy of gra...
A monograph of British dendroid graptoli...