Lot of assorted vintage amateur radio operator and broadcast license manuals from the estate of a shortwave radio ham. These are all published by ARRL (the Amateur Radio Relay League). These have lots of great vintage amateur radio and shortwave equipment advertising.
There is a 1974, 184 page guide -How To Become A Radio Amateur-, a 1963, 48 page guide to learning the radiotelegraph code (Morse code), and 1958 (118 pages) and 1972 (102 pages) copies of The Radio Amateur 's License Manual.
These books have wear and age.