ロック白書'77, [Rock Hakusho '77], Japan
ロック白書'77, ROCK HAKUSHO '77 ('Rock White Paper '77'), subtitled "Young Age Rock Encyclopedia". "Hakusho" means "white paper" as in a government white paper. It is a kind of a rock catalog/history of rock, with special focus on great names.
Thank you to Matthew and Mieko Zuckerman for the information
Below: April 1977:
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)