Old Catalogs

[knewsom]

In a collection of old (50's - 70's) ho engines, cars, structures that I recently came across, there are a bunch of old catalogs as well. There are the following:
PFM 5th Edition
PFM 6th Edition
PFM 7th Edition
Kemtron 5th Master Catalog for Craftsmen
521 Prototype Lettering Diagram
Prototype Lettering Diagrams Book II
Painting Minatures
6 HO Railroads You Can Build 2nd Edition
HO Primer Model Railroading for All
Trains Albums of Photographs (Number 14 Erie Railroad)

Is there a demand for these types of catalogs.

Thanks,
Kevin