GUITAR LIFE was a guitar teaching magazine published by Jiyukokuminsha. First issue in 1971: for those who could not read music, it presented guitar tablatures and playing techniques. The publication has now ceased (probably in the 80s).
Thank you to Eric Galzi for the images and Toshikazu Urushibata for the information.
ALBANIA (1) 
In ARABIC (3) 
BULGARIA (2) 
In CATALAN (3)
In CHINESE (12)
CROATIA (4) 
CZECH REPUBLIC (11)
DENMARK (12) 
In DUTCH (74)
In ENGLISH (778)
:
FINLAND (15)
In FRENCH (123)
In GALICIAN (1)
In GERMAN (134)
GREECE (19)
HUNGARY (2)
ICELAND (9)
IRAN (1)
ISRAEL (9)
In ITALIAN (83)
JAPAN (63)
LITHUANIA (1)
NORWAY (45)
POLAND (14)
In PORTUGUESE (51)
ROMANIA (1)
RUSSIA (4)
In SERBIAN (5)
SLOVAKIA (1)
In SPANISH (185)
SWEDEN (28)
THAILAND (3)
TURKEY (17)