# | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
A (magic, astrology, divination, etc.) : 123 titles
B (lathes, turning, machine tools, workshop tools) : 64 titles
BIBL (bibliography) : 313 titles
C (astronomical tables) : 49 titles
CAL (calendrics, chronology) : 54 titles
CATA (instrument trade catalogues) : 164 titles
CS (Curator's Study) : 4 titles
D (astronomy, cosmology, telescopes, observatories) : 864 titles
E (microscopes & microscopy, optics, spectroscopy) : 1101 titles
Envelope files () : 14 titles