A.'.A.'.

The A.'.A.'., or "Great White Brotherhood," is an organized fraternity of men and women dedicated to the spiritual advancement of humanity. The current structre of the organization was designed by Aleister Crowley and George Cecil Jones in 1906 from the ashes of the Hermetic Order of the Golden Dawn.

The fraternity is described in One Star in Sight :

The order consists of eleven grades or degrees, and is numbered as follows: these compose three groups, the Orders of the S.S., of the R.C., and of the G.D., respectively.

The Order of the S.S.
Ipsissimus..................................10°=1
Magus.........................................9°=2
Magister Templi...........................8°=3

The Order of the R.C.
(Babe of the Abyss - the link)
Adeptus Exemptus ......................7°=4
Adeptus Major............................6°=5
Adeptus Minor............................5°=6

The Order of the G.D.
(Dominus Liminis - the link)
Philosophus ................................4°=7
Practicus.....................................3°=8
Zelator .......................................2°=9
Neophyte...................................1°=10
Probationer.................................0°=0