1
Published 1874
Record Source: Published Materials
Subjects and Genres: '; ...Gas companies Pennsylvania Philadelphia....
Book
2
Record Source: Published Materials
Subjects and Genres: '; ...Gas companies Pennsylvania....
Serial
3
Subjects and Genres: '; ...Gas companies Pennsylvania Lancaster County....
Book
4
Published 1867
Record Source: Published Materials
Subjects and Genres: '; ...Gas companies Penn. Philadelphia By-laws....
Book
5
Published 1866
Record Source: Published Materials
Subjects and Genres: '; ...Pennsylvania Petroleum Gas Company....
Book