Storey Publishing, LLC, 1991-01-02. Paperback. 8x6x0. Clean, has a good binding, no marks or notations.

Mendota. Hardcover. B007FCL90G 1916. Light brown cloth colored boards, modest wear with some rubbing to the corners. Clean, has a good binding, old personal stamp on the front end page and several pages of other testing formulas attached to the rear blank pages. Plenty of diagrams and formulas.

Orange Judd, 1946. Hardcover. 1946. Dust jacket is chipped at the spine ends and corners. Dark red cloth boards have minor wear. Old name and address are written on the front free endpaper- no other marks or notations. Has a good binding.

Barn Owl Books, 1987-06-01. PAPERBACK. Inscribed/signed by the author on the first page. Clean, has a good binding, no marks or notations.

Scribner, 2010-10-12. Hardcover. 8x5x1. Dust jacket and book are clean, has a good binding, no marks or notations. Minor wear.

Wicwas Press. Hardcover. B0006DXAMQ 1982 2nd Printing. Reading copy- brown cloth boards are clean but there is a small knick on the edge of the front board, moderate wear to the dust jacket with some rubbing to the edges and sunning to the spine, has some foxing along the page.....

Dover Publications, Inc., 1964-01-01. 2nd Edition. Paperback. Covers have moderate wear. Clean, has a good binding, personal stamp is on the first page- no other marks or notations.

Quarry Books, 2015-02-15. Paperback. 8x6x0. Clean, has a good binding, no marks or notations. Only light wear.