1
Author: Davis, W. W. H. 1820-1910.
Published 1905
Record Source: Published Materials
Subjects and Genres: '; ...Natural history Penn. Bucks Co....
Microfilm
2
Published 1978
Record Source: Published Materials
Subjects and Genres: '; ...Naturalization records Pennsylvania Westmoreland Co. 19th century....
Book
3
Author: Wilder, Burt G. 1841-1925.
Published 1898
Record Source: Published Materials
Subjects and Genres: '; ...Anderson Summer School of Natural History....
Book
4
Author: Magee, Judith, 1952-
Published 2007
Record Source: Published Materials
Subjects and Genres: '; ...Natural history illustrators Pennsylvania Biography....
Table of contents only
Book
5
Author: Brinkley, Douglas.
Published 2009
Record Source: Published Materials
Subjects and Genres: '; ...Conservation of natural resources United States History....
Contributor biographical information
Publisher description
Book
6
Author: Frazer, Persifor, 1844-1909.
Published 1892
Record Source: Published Materials
Subjects and Genres: '; ...Academy of Natural Sciences of Philadelphia Presidents Biography....
Book
7
Author: Morton, Samuel George, 1799-1851.
Published 1844
Record Source: Published Materials
Subjects and Genres: '; ...Academy of Natural Sciences of Philadelphia Presidents....
Book
8
Author: Jeffery, David.
Record Source: Published Materials
Subjects and Genres: '; ...Natural history Pictoral works....
Book
9
Author: Ruschenberger, W. S. W. 1807-1895.
Published 1888
Record Source: Published Materials
Subjects and Genres: '; ...Academy of Natural Sciences of Philadelphia. Conchological Section Biography....
Book
10
Author: Chapman, Henry C. 1845-1909.
Published 1891
Record Source: Published Materials
Subjects and Genres: '; ...Academy of Natural Sciences of Philadelphia Presidents Biography....
Book
11
Author: Darlington, William, 1782-1863.
Published 1858
Record Source: Published Materials
Subjects and Genres: '; ...Chester County Cabinet of Natural Science (West Chester, Pa.) Biography....
Book
12
Author: Coan, Peter M.
Published 1997
Record Source: Published Materials
Subjects and Genres: '; ...United States. Immigration and Naturalization Service Officials and employees Biography....
Book
13
Author: Morrison, Ernest.
Published 1995
Record Source: Published Materials
Subjects and Genres: '; ...Nature conservation United States History....
Book
14
Published 1888
Record Source: Published Materials
Subjects and Genres: '; ...Academy of Natural Sciences of Philadelphia Biography....
Book
15
Author: Upham, Warren, 1850-1934.
Published 1888
Record Source: Published Materials
Subjects and Genres: '; ...Academy of Natural Sciences of Philadelphia Biography....
Book
16
Published 1851
Record Source: Published Materials
Subjects and Genres: '; ...Academy of Natural Sciences of Philadelphia Biography....
Book
17
Author: Wood, George B. 1797-1879.
Published 1853
Record Source: Published Materials
Subjects and Genres: '; ...Academy of Natural Sciences of Philadelphia Biography....
Book
18
Published 1873
Record Source: Published Materials
Subjects and Genres: '; ...Academy of Natural Sciences of Philadelphia Biography....
Book
19
Subjects and Genres: '; ...Academy of Natural Sciences of Philadelphia Biography....
Book