Hidden power
- publisher: San Antonio : Passing Show Printing Co.
- creator: Willacy, John G Passing Show Printing Co. pbl
- contributor: Passing Show Printing Co. pbl
- years: c1917.
- pages: 330, [6] p. (first 2 p. and last 6 p. blank) ;
- class: PZ3.W6612
- notes: Copyright date from verso of t.p.
- download: pdf file