Guitar (the magazine for all guitarists) a UK publication, from March 1975 

Cover feature - John McLaughlin (Mahavishnu Orchestra, Graham Bond Organisation)

Other featured artists - see below

Each issue includes a number of other features, taken from, but not necessarily including all of, tutorial articles, record and concert reviews, instrument and equipment reviews. 

Some creases, but all complete, 40 pages

Note that named artists can either be interviews with the artist, or profile features where staff or others discuss the artist's work or technique.