CC
Generalia .................................. z
Universe of knowledge.............. 1
Library science .......................... 2
Book science............................... 3
Jaurnalism ....................................4
Natural science............................ A
Mathematical science ................. AZ
Mathematics................................... B
Physical science ............................ BZ
Physics ............................................ C
Engineering .................................... D
Chemistry......................................... E
Technology ...................................... F
Biology............................................ G
Geology ..........................................H
Mining .........................................Hx
Botany ............................................I
Agriculture .................................... J
Zoology .........................................K
Animal Husbandry ........................Kx
Medicine .........................................L
Pharmocognosy ..............................Lx
Useful Arts .....................................M
Spiritual Experience Mysticism .......∆
Humanities and social sciences ....Mz
Humanities ...................................MzA
Fine Arts .........................................N
Literature and language ..................Nx
Literature .........................................O
Linguistics ........................................P
Religion ............................................Q
Philosophy ........................................R
Psychology .........................................S
Social science .....................................Σ
Education ...........................................T
Geography .........................................U
History ...............................................V
Political science .................................W
Economics ..........................................X
Sociology ............................................Y
Social work .......................................Yx
Law .....................................................Z