# | 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 |
D (astronomy, cosmology, telescopes, observatories) : 864 titles
E (microscopes & microscopy, optics, spectroscopy) : 1101 titles
Envelope files () : 14 titles
F (photography) : 351 titles
file A (magic, astrology, divination, etc.) : 52 titles
file B (lathes, turning, machine tools, workshop tools) : 6 titles
file BIBL (bibliography) : 43 titles
file CAL (calendrics, chronology) : 14 titles
file CATA (instrument trade catalogues) : 104 titles
file D (astronomy, cosmology, telescopes, observatories) : 485 titles
file E (microscopes & microscopy, optics, spectroscopy) : 394 titles
file F (photography) : 166 titles
file G (medicine, human anatomy, pharmacy, medical instruments) : 357 titles
file H (geology, mineralogy) : 67 titles
file I (museums, museum history, museology, etc.) : 86 titles
file J (cartography) : 36 titles
file K (maritime history, general navigation) : 26 titles
file L (geography, travel, exploration) : 31 titles
file M (meteorology) : 34 titles
file N (chemistry, alchemy, metallurgy, chemical apparatus) : 439 titles
file O (botany, herbals) : 48 titles
file OXF (Oxford local and university history, etc.) : 172 titles
file P (zoology, general natural history) : 151 titles
file PER (periodicals) : 41 titles
file Q (biography) : 976 titles
file R (general science, general history of science, philosophy of science) : 253 titles
file REF (reference) : 38 titles
file S (physics, experimental philosophy, physics instruments) : 274 titles
file T (pure mathematics) : 124 titles
file U (instruments, related artefacts and techniques) : 1113 titles
file V (technology, industry, engineering, transport, architecture, etc.) : 64 titles
file W (clocks & watches) : 310 titles
file X (scientific societies) : 74 titles
file Y (astrolabes) : 134 titles
G (medicine, human anatomy, pharmacy, medical instruments) : 784 titles
H (geology, mineralogy) : 91 titles
I (museums, museum history, museology, etc.) : 228 titles
J (cartography) : 125 titles
K (maritime history, general navigation) : 71 titles
L (geography, travel, exploration) : 100 titles
LE (Lewis Evans Collection) : 1044 titles
M (meteorology) : 34 titles
Microfilm () : 7 titles
MS (manuscript collection) : 408 titles
N (chemistry, alchemy, metallurgy, apparatus) : 661 titles
O (botany, herbals) : 106 titles
Object files () : 2 titles
OLD PER (early scientific periodicals) : 15 titles
OXF (Oxford local and university history, etc.) : 184 titles
P (zoology, general natural history) : 282 titles