Other
Academy of Music (Philadelphia, Pa.)
1
Alchemy
1
Artists--United States
1
Burial records
1
Canteens (Establishments)
1
Centennial Exhibition (1876 : Philadelphia, Pa.)
1
Floods--Pennsylvania--Johnstown (Cambria County)
2
Forest nurseries
2
Genealogical correspondence
1
Genealogists--Research
1
Genealogy
5
Genealogy & local history
1
Genealogy--Family trees
1
Ironwork
2
Land surveys
2
Mathematics--Problems, exercises, etc
1
Pennsylvania--Genealogy
2
Pennsylvania--Surveys
2
Recreation centers
1
Stenographers
2
Surveying
2
World War, 1939-1945
1
World War, 1939-1945--Theater and the war
1