The Foraminifera of the Yorktown formation in the York-James penisula of Virginia, "with notes on the associated mollusks." Bulletins of American Paleontology, 36(160) 1956: 255-394. 348 [Zoological Record Volume 97]
The foraminifera of the Yorktown formation in the York-James Peninsula of Virginia, with notes on the associated Molluscs. Bulletins of American Paleontology, 36 1956: 255-394. 348 [Zoological Record Volume 95]