"William Henry Egle was a physician, author and historian who served as the State Librarian of the Commonwealth of Pennsylvania from 1887 to 1889. His body of work documented Pennsylvania's history from its founding through the late 19th century - excerpts of which continued to be reprinted in newspapers following his death in 1901 and are still cited as references by present-day historians and professional genealogists." [from Wikipedia]
Exploring Local Business History -- Learning the Internal History of a Business -- Developing the History of a Business in its Environment -- Local Business History:Internal Sources -- Local Business History: External Sources -- Presenting Local Business History.
Postage stamps of the United States : an illustrated description of all United States postage and special service stamps issued by the Post Office Department from July 1, 1847 to December 31, 1961
These volumes are in the "library work room". They are not on the open shelves. However, there is an index on the open shelves. Its call number is 905.748 CHS Index. Patrons should consult the index first. If there is a volume that they want to see, the library attendant should pull the volume from the shelves in the "library work room".