Nuclear War Survival Skills (archive.org)Cresson H. Kearny, Nuclear War Survival Skills, Oregon Institute of Science and Medicine, 1987 revised edition. May be freely distributed (see copyright page).
Pilcrow (Wikipedia)The pilcrow, ¶, is a typographical character that marks the start of a paragraph. It is also called the paragraph mark (or sign or symbol), paraph, or blind P.