APPENDIX 
OUTLINE OF CLASSIFICATION USED IN THE PRELIMINARY EDITION. 
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SUBJECTS 
  
  
  
Main Subjects: 
Generalities 
Philosophy 
Religion. Technology 
Social sciences. Economics. Law. Education 
Philology. Languages 
Mathematical and natural sciences 
Mathematics 
Astronomy, surveying, geodesy 
Practical astronomy 
Descriptive astronomy, universe, solar system 
The earth (astronomically) 
Geodesy, surveying 
Theory of errors and adjustment (in geodesy) 
The earth (geodetically) 
Geodetic surveying 
Land surveying. Cadastral and topographic surveying 
Geodetic instruments 
Photogrammetry (Methods and Instruments) 
Production of photograms 
028,72 Restitution of photograms 
928.75 Aerial triangulation. Determination of control points and passpoints 
228.74 Geodetic applications of photogrammetry 
228,75  Non-geodetic applications of photogrammetry 
228.77 Interpretation of photograms 
528.9 Mapping. Cartography 
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9ó Physics and mechanics 
55 Geology, meteorology 
6 Applied sciences, Medicine. Technology 
7 The arts 
g7 Photography 
8 Literature 
9 Geography. Biography. History 
Form of publication: 
  
(0...) (ct. books, journals, patents) 
Place: (1/9) 
(100) Universality: world...., international 
(2) Physiographic designation 
(4) Europe 
(5) Asia 
(6) Africa 
(7/8) Americas, North and South 
(9) Oceania, Arctic and Antarctic regions 
Point of view: 
.001 Theoretical point of view. Research. Trials, tests and accuracy 
.002 Practical point of view. Realization. Production 
003 Economic, financial and commerical point of view 
„004 Use, Operation. Care 
„007 Personnel, staff, manpower 
„008 Organization, management, organizational structure 
. 009 Social point of view. Public relations