Basic Folk Library PermaThread™ lists three books published by Sing Out!. My copies are well worn:

"The Collected Reprints from Sing Out!" Volumes 1-6, 1959-1964 and Volumes 7-12, 1964-1973. From Sing Out! Publications

BLOOD, PETER and PATTERSON, ANNIE "Rise Up Singing" (Sing Out! Publications, 19??)
Lyrics only for a variety of more than 1,200 great songs --- pop, hymns, gospel, rounds, sea shanties, folk songs, blues. Sing Out! Publications Page here.

(Both of the above links for publications got to http://www.singout.org/sopubs.html)

My recent magazine/membership renewal form shows:

Sing Out! Corporation
512 East Fourth Street (omit street address for most mail, including subscriptions)
P.O. Box 5460
Bethlehem, PA 18015-0460

Phone: 610-865-5366
FAX: 610-865-5129
E-mail: info@singout.org
Web: www.singout.org

subscriptions (U.S. and Canada only), phone    1-888-SING-OUT

Subscribing Members receive magazine only: $25 for 1 yr, $45 for 2 yrs, $60 for 3 yrs
Basic Members receive magazine and 4 CDs: $50 for 1 yr, $90 for 2 yrs, $120 for 3 yrs.
Sustaining Members (50% tax deductible) receive magazine and 4 CDs: $100/yr.
In Canada: add $5.00 per year.
Overseas: add $18.00 per year (airdrop delivery).

Persons subscribing for 2 years or more at any level have been eligible to receive a "sampler" CD - limited to supplies on hand. Ask when you call.

John