Selection of studies composed by
FIDE Grand Masters "Over The Board" (OTB).
GMs with great productivity are Jan Timman, Pal Benko and John Nunn.
At this page the studies of the otb GMs which do not always have a page of their own.
Alphabetically listed with a picture and links to more information at Wikipedia about them.
For the other ones already having a page, here only their article link.
(Sadly not all the studies are correct).
At Chess.com also two articles about this.
(About: Pal Benko, Oldrich Duras, Paul Keres, John Nunn and Richard Reti)
(About: Ladislav Prokes, Yochanan Afek, Ladislav Salai, Milan Vukcevich and Genrikh Kasparyan).
Alekhine, Alexander 1892-1946 (World Champion)
Botvinnik, Mikhail 1911-1995 (World Champion)
Capablanca, Raul 1888-1942 (World Champion)
Euwe, Machgielis 1901-1981 (World Champion)
Lasker, Emanuel 1868-1941 (World Champion)
Penrose, Jonathan (1933) (against Tal, Leipzig 1960)
Polgar, Sisters 1969 1974 1976
Prins, Lodewijk 1913-1999 (picture 1960)
Smyslov, Vasily 1921-2010 (World Champion)
Tal, Michael (1936-1992), (World Champion)
Teichmann, Richard (1868-1925)