Lot of 4 Catalogs and Handbook from the engineering supply and technical support company The Lee Company.  They include:

1) The Lee Company Safety Screen Handbook, 1995 Hardcover
2) The Lee Company Electro-fluidic Systems Catalog and Reference Material manual, 1994 Hardcover
3) The Lee Company Technical Hydraulic Handbook, release 10.3, 2003 Softcover
4) The Lee Company Electro-Fluidic Systems, release 7.1, 2003 Softcover comb bound