Columbia subject headings:
Building--Estimates.
Buildings--Specifications.
Carpenters' Company of the City and County of Philadelphia.
Carpenters--Pennsylvania--Philadelphia.
Carpentry--Prices.
Harvard subject headings:
Building--Estimates
Buildings--Specifications
Carpenters--Pennsylvania--Philadelphia.
Carpentry--Prices.
Construction contracts.
Industries--Pennsylvania--Philadelphia.
Princeton subject headings: