P 114 - Pestalozzi, Table of Unit
P. 209 - Vojta Naprstek and Alois Studnicks divided collections into 20 groups:
A. Machines and apparatuses.
B. Metalworking in Industry.
C. Minerals.
D. Processing of clay, earthenware, ceramics and porcelain.
E. Glassmaking.
F. Wood processing
G. Clothmaking and weaving, laces
H. Animal Products - leather, leather goods, hat-making
K. Stationery, book binding, papermaking
L. Small items - miscellaneous
M. Chemical industry
N. Food stuffs and delicatessen
O. National industry
P. Household goods - tools, instruments, common furniture.
R. Civil Engineering
S. Light, heat, magneticity
T. Graphic art - book binding, photography, pencils, drawing tools.
U. Commercial section - measures, weights, international currencies.
V. Education - school aids, templates for drawing and modeling.
Z. Art and applied arts: a) assorted arts and crafts items; b) collection of artworks and assorted casts; c) arts and crafts antiques.