| Class mark | Level | Book stack numbers |
|---|
| c.9-c.200 | C | 199-104 |
| c.15 and c.17 | | Off-site, available on request |
| c.80 and c.81 | | Off-site, available on request |
| c.80.k.11 | F | |
| c.154 | F | |
| c.200-c.210 | C | 104 |
| c.211-c.243 | C | 111-116 |
| c.203, c.206, c.220 | | Off-site, available on request |
| c.223-c.225 | | Off-site, available on request |
| c.230, c.234 | | Off-site, available on request |
| c.236 | C | 176-182 |
| c.237 | | Off-site, available on request |
| c.250 | | Off-site, available on request |
| c.251-c.279 | C | 117-125 |
| c.270.k.61, 63, 66, 78 | F | |
| c.274 | | Off-site, available on request |
| c.350-c.451 | C | 125-137 |
| c.452-c.453 | | Off-site, available on request |
| c.500-c.756 | C | 137-141 |
| c.800-c.803 | C | 183-189 |
| c.804-c.805 | F | |
| c.801.c.152 | | Off-site, available on request |
| c.801.d.5 | | Off-site, available on request |
| c.801.f.81 | | Off-site, available on request |
| c.801.f.138 | | Off-site, available on request |
| c.801.f.142 | | Off-site, available on request |
| c.801.q.3 | | Off-site, available on request |
| c.801.t.89 | | Off-site, available on request |
| c.850 | F | |
c.850.k.4 (Guoxue jiben congshu) | | Off-site, available on request |
| c.850.s.4 | C | 191-192 |
| c.850.s.6 | C | 193-195 |
| c.900-c.907 | | Off-site, available on request |
| c.904, c.908, c.950 | C | 197 |
| c.1000-c.1001 | C | 226 |
| c...L | C | 200 |
| c.FF-c.FFX | D | 52-57 |
| c.FF.L-c.FFX.L | D | 14-17 |
| c.FF.Ex-c.FFX.Ex | D | 2-3 |
| c Per | F | 29-37 |
| c Per (discontinued in or before 1990) | | Off-site, available on request |
| c Per L | Egham Store | Off-site, available on request |
| c Per 105 | F | 28-29 |
| c Per 105 (discontinued in or before 1990) | | Off-site, available on request |
| c Per 105L | Egham Store | Off-site, available on request |
| Class mark | Level | Book stack numbers |
|---|
| D | C | 1,1a,1b,2-12 |
| DB | C | 12-69 |
| DB000-019 | | Off-site, available on request |
| DB029-031 | | Off-site, available on request |
| DB320-321.9 | | Off-site, available on request |
| DB320.9/602075 | C | 71 |
| DB320.9/300938 | C | 71 |
| DB323.9-328 | | Off-site, available on request |
| DB370-370.9 | | Off-site, available on request |
| DB373-373.9 | | Off-site, available on request |
| DB602-611.29 | | Off-site, available on request |
| DB913.6 (accession no. 86244-89918) | | Off-site, available on request |
| DB916-917 | | Off-site, available on request |
| DBA | | Request at Issue Desk |
| DBC | | Off-site, available on request [some material is on-site see below] |
| DBC180s, DBC222.5, DBC 763 | C | 195a |
| DBC762,772, DBC918.6, DBC920s | C | 195a |
| DBK | | Request at Issue Desk |
| DBS | | Off-site, available on request |
| DBT | | Off-site, available on request |
| DK-DKS | D | 254-257 |
| DY | F | Mobile stack 37-38, 45-53 |
| DY (Discontinued on or before 1990) | | Off-site, available on request |
| L D | C | 71-72 |
| L DB | C | 72-74 |
| L DBA-L DBK | C | 74 |
| L DBS | | Off-site, available on request |
| L DK-L DKN | D | 257 |
| Ref D | C | 206-213 |
| Ref DB | C | 206-213 |
| Ref DBA | C | 214 |
| Ref DBK | D | 229 |
| Ref DBS | C | 214-230 |
| Ref DK-Ref DKN | D | 229 |
| Class mark | Level | Book stack numbers |
|---|
| E Coll | F | Closed access material. Enquire in the Special Collections Reading Room |
| E.coll.4 | C | Room C3 (Sound recordings only) |
| E Per | F | Closed access material. Enquire in the Special Collections Reading Room |
| E WYM | F | Closed access material. Enquire in the Special Collections Reading Room |
| EA-EY | F | Closed access material. Enquire in the Special Collections Reading Room (apart from some EF books see below). |
| EF.c | | Currently unavailable (off-site) |
| EF.CD | | Currently unavailable (off-site) |
| EF.CK | | Currently unavailable (off-site) |
| EF.DB | | Currently unavailable (off-site) |
| EF.F | | Currently unavailable (off-site) |
| EF.FC.L | | Currently unavailable (off-site) |
| EF.FMA | | Currently unavailable (off-site) |
| EF.j | | Currently unavailable (off-site) |
| EF Pamphlets | | Currently unavailable (off-site) |
| EMY [Reference Only] | E | Issue Desk |
| Enquiry Desk | E | Shelved behind the Enquiry Desk. |
| Ex | | Currently unavailable (off-site) |
| Ex Per | | Currently unavailable (off-site) |
| EX.L Ref N-P | B | 98 |
| Exam papers | Available online only |