SCHWANBECK, Carl J. The Disco Dancer’s Survival Manual.

(No place): Self-published, 1978.  First edition.  37 page booklet.  Scarce, and cool, disco dance instructional booklet.  Details the steps, along with foot diagram, for dances like the Disco Two Step and the New York Hustle.  A very good copy in stapled wrappers.  Rare, no copies located on WorldCat.