In the Library of Congress classification system, literatures in English are given call numbers in the PR and PS range. A very broad outline is here.
PR1-9680 | English literature |
PR1-56 | Literary history and criticism |
PR57-78 | Criticism |
PR111-116 | Women authors |
PR161-488 | By Period |
PR161-488 | Anglo-Saxon (Beginnings through 1066) |
PR251-369 | Medieval. Middle English (1066-1500) |
PR401-488 | Modern |
PR421-(429) | Elizabethan era (1550-1640) |
PR431-(439) | 17th century |
PR441-(449) | 18th century |
PR451-(469) | 19th century |
PR471-(479) | 20th century |
PR481-488 | 21st century |
PR500-614 | Poetry |
PR621-744 | Drama |
PR750-890 | Prose |
PR901-907.2 | Oratory |
PR908 | Diaries |
PR911-918 | Letters |
PR921-928 | Essays |
PR(951)-981 | Folk Literature |
PR1098-1369 | Collections of English literature |
PR1490-1799 | Anglo-Saxon literature |
PR1803-2165 | Anglo-Norman period. Early English. Middle English |
PR2199-3195 | English renaissance (1500-1640) |
PR3291-3785 | 17th and 18th centuries (1640-1770) |
PR3991-5990 | 19th century, 1770/1800-1890/1900 |
PR6000-6076 | 1900-2000 |
PR6100-6126 | 2001-present |
PS1-3576 | American Literature |
PS126-138 | Biography, memoirs, letters, etc. |
PS147-152 | Women authors |
PS185-231 | By Time Period (17th-21 Century) |
PS241-286 | Regions/States |
PS301-326 | Poetry |
PS330-353 | Drama |
PS409 | Diaries |
PS501-689 | Collections of American literature |
PS700-3576 | Individual authors |
PS(8001-8599) | Canadian literature |