Many sizes and styles, from mid-1800 to the present.
Box locks; mortise locks; hinges; pocket door hardware; door knobs; door knob hardware; escutcheon plates; and much much more.
Manufacturers:
A.G. Newman Fine Hardware
Babcock & Stowell
Bradford Lock Works
Chicago Hardware Manufacturing Co.
Clark Manufacturing Co.
Corbin Lock & Builders Hardware
Metallic Compression Casting Company (MMMCo)
Norwalk Lock Co.
Russel & Erwin
Sargent Locks and Hardware
Yale & Towne Manufacturing Co.
These door hardware are available at locksmith stores also, you can get one at cheap.