1
Published 1928
Record Source: Published Materials
Subjects and Genres: '; ...Hours of labor....
Book
2
Published 1942
Record Source: Published Materials
Subjects and Genres: '; ...Hours of labor United States....
Book
3
Record Source: Published Materials
Subjects and Genres: '; ...Hours of labor Pennsylvania Philadelphia...
Philadelphia Record Photograph Morgue (Name Index)
4
5
Author: Lauck, W. Jett 1879-1949.
Published 1920
Record Source: Published Materials
Subjects and Genres: '; ...Hours of labor....
Book
6
Published 1913
Record Source: Published Materials
Subjects and Genres: '; ...Hours of labor Pennsylvania....
Book
7
Published 1916
Record Source: Published Materials
Subjects and Genres: '; ...Hours of labor Law and legislation United States....
Book
8
Published 1850
Record Source: Published Materials
Subjects and Genres: '; ...Hours of labor Pennsylvania....
Book
9
Author: Fitch, John A. 1881-1959.
Published 1911
Record Source: Published Materials
Subjects and Genres: '; ...Hours of labor Pittsburgh....
Book
10
11
Author: Reynolds, Verne L.
Published 1930
Record Source: Published Materials
Subjects and Genres: '; ...Hours of labor United States....
Book
12
Author: Keller, Marvel.
Published 1939
Record Source: Published Materials
Subjects and Genres: '; ...Hours of labor San Francisco (Calif.)...
Book
13
Author: Teper, Lazare, 1908-
Published 1932
Record Source: Published Materials
Subjects and Genres: '; ...Hours of labor United States....
Book
14
Author: Hill, Charles.
Record Source: Published Materials
Subjects and Genres: '; ...Hours of labor United States....
Book
15
Author: Hill, Charles.
Record Source: Published Materials
Subjects and Genres: '; ...Hours of labor United States....
Book
16
Published 1926
Record Source: Published Materials
Subjects and Genres: '; ...Hours of labor New York (State)...
Book
17
18
19
Record Source: Published Materials
Subjects and Genres: '; ...Hours of labor Pennsylvania Philadelphia...
Philadelphia Record Photograph Morgue (Name Index)
20
Published 1969
Record Source: Published Materials
Subjects and Genres: '; ...Hours of labor United States Statistics Periodicals....
Journal