Public Domain

The public domain volumes in HathiTrust Digital Library are represented below according to the Library of Congress Classification scheme. The full text of all of these volumes can be accessed as described on the Access to HathiTrust page. See Public Domain by Language for a visualization of HathiTrust public domain volumes by language.
Total volumes: 610765*
LC ClassificationCount
A - General Works132
AC - Collections. Series.1,138
AE - Encyclopedias1,266
AG - Dictionaries and other reference402
AI - Indexes143
AM - Museums. Collectors and collecting165
AN - Newspapers72
AP - Periodicals14,445
AS - Academies and learned societies7,547
AY - Yearbooks. Almanacs. Directories572
AZ - History of scholarship and learning41
B - Philosophy; Psychology; Religion5,542
BC - Logic322
BD - Speculative philosophy714
BF - Psychology3,330
BH - Aesthetics126
BJ - Ethics1,214
BL - Religions. Mythology. Rationalism2,103
BM - Judaism492
BP - Islam. Bahaism. Theosophy482
BQ - Buddhism254
BR - Christianity4,404
BS - The Bible3,370
BT - Doctrinal Theology1,712
BV - Practical Theology5,407
BX - Christian Denominations9,645
C - Auxiliary Science of History63
CB - History of Civilization445
CC - Archaeology269
CD - Diplomatics. Archives. Seals801
CE - Technical Chronology. Calendar95
CJ - Numismatics680
CN - Inscriptions. Epigraphy36
CR - Heraldry267
CS - Genealogy2,018
CT - Biography1,173
D - History General8,660
DA - History of Great Britain - History of Ireland - History of the British Isles8,412
DB - History of Austria - Liechtenstein - Hungary - Czechoslovakia1,495
DC - History of France - Andorra - Monaco13,073
DD - History of Germany3,025
DE - History of the Greco-Roman World405
DF - History of Greece1,377
DG - History of Italy - Malta3,931
DH - History of Low Countries - Benelux Countries880
DJ - History of the Netherlands1,050
DJK - History of Eastern Europe5
DK - History of Russia; Soviet Union; Former Soviet Republics - History of Poland2,599
DL - History of Northern Europe; Scandavia655
DP - History of Spain - Portugal1,577
DQ - History of Switzerland672
DR - History of the Balkan Peninsula910
DS - History of Asia9,939
DT - History of Africa1,787
DU - History of Oceania (South Seas)499
DX - History of Gypsies62
E - History of America12,010
F - Local History of the United States and British; French; and Latin America12,022
G - Geography; Anthropology; Recreation3,530
GA - Mathematical geography; Cartography146
GB - Physical geography1,201
GC - Oceanography216
GE - Environmental Sciences32
GF - Human ecology; Anthropogeography47
GN - Anthropology1,310
GR - Folklore1,164
GT - Manners and customs (General)172
GV - Recreation; Leisure929
H - Social sciences (General)5,247
HA - Statistics1,500
HB - Economic theory; Demography2,420
HC - Economic history and conditions3,738
HD - Industries; Land use; Labor12,130
HE - Transportation and communications6,375
HF - Commerce4,086
HG - Finance3,841
HJ - Public Finance9,385
HM - Sociology (General)627
HN - Social history and conditions; Social problems; Social reform619
HQ - The family; Marriage; Woman; Sexuality1,358
HS - Societies: secret; benevolent; etc.975
HT - Communities; Classes; Races526
HV - Social pathology; Social and public welfare ; Criminology9,511
HX - Socialism. Communism. Anarchism1,116
J - General legislative and executive papers8,788
JA - Political science (General)384
JC - Political theory. The state. Theories of the state.950
JF - Political institutions and public administration - General302
JK - Political institutions and public administration - United States10,917
JL - Political institutions and public administration - Canada; Latin America; etc.93
JN - Political institutions and public administration - Europe1,693
JQ - Political Institutions and public administration - Asia; Africa; Australia; Pacific Area; etc.286
JS - Local government. Municipal government1,941
JV - Colonies and colonization. Emigration and Immigration. International migration1,164
JX - International law (obsolete)3,146
JZ - International relations47
K - Law326
KDK - Law (British Isles)32
KDZ - Law (Western hemisphere. North America. Bermuda. Greenland. St. Pierre et Miquelon)11
KE - Law (Canada)4
KF - Law (United States)7,737
KK - Law (Europe)4
KL - Law (Asia and Eurasia)2
KN - Law (Asia and Eurasia)1
KT - Law (Africa)1
KU - Law (Pacific Area)2
KV - Law (Pacific Area)3
KZ - Law of Nations. International law34
L - Education3,931
LA - History of Education1,304
LB - Theory and practice of education5,275
LC - Special aspects of education1,920
LD - Education (Individual Institutions - United States)6,081
LE - Education (Individual Institutions - America (except United States))136
LF - Education (Individual Institutions - Europe)888
LG - Education (Individual Institutions - Asia; Africa; Indian Ocean Islands; Australia; New Zealand; Pacific Islands)171
LH - College and school magazines and papers1,338
LJ - Student fraternities; United States361
LT - Textbooks3
M - Printed Music1,622
ML - Literature on music1,849
MT - Musical instruction and study406
N - Visual Arts3,493
NA - Architecture2,204
NB - Sculpture307
NC - Drawing. Design. Illustration237
ND - Painting1,299
NE - Print media334
NK - Decorative Arts667
NX - Arts in general94
P - Language and Literature652
PA - Greek and Latin language and literature4,058
PB - Modern languages; Celtic languages240
PC - Romanic languages782
PE - English language732
PF - West Germanic languages498
PG - Slavic languages; Baltic languages; Albanian language1,057
PH - Uralic languages; Basque language311
PJ - Oriental philology and literature1,963
PK - Indo-Iranian philology and literature550
PL - Languages of Eastern Asia; Africa; Oceania3,371
PM - Hyperborean; Indian; and artificial languages120
PN - Literature (General)3,129
PQ - French literature - Italian literature - Spanish literature - Portuguese literature6,340
PR - English literature9,945
PS - American literature3,747
PT - German; Dutch; Scandinavian; Old Norse; Old Icelandic; Old Norwegian; Modern Icelandic; Faroese; Danish; Norwegian; and Swedish literature; Flemish literature since 18303,949
PZ - Fiction and juvenile belles lettres5,267
Q - Science (General)6,404
QA - Mathematics8,698
QB - Astronomy3,327
QC - Physics7,542
QD - Chemistry4,194
QE - Geology4,590
QH - Natural history - Biology3,928
QK - Botany2,706
QL - Zoology3,105
QM - Human anatomy325
QP - Physiology959
QR - Microbiology201
R - Medicine (General)1,928
RA - Public aspects of medicine3,866
RB - Pathology171
RC - Internal medicine2,429
RD - Surgery721
RE - Ophthalmology116
RF - Otorhinolaryngology61
RG - Gynecology and obstetrics242
RJ - Pediatrics302
RK - Dentistry1,114
RL - Dermatology52
RM - Therapeutics.;Pharmacology395
RS - Pharmacy and materia medica2,123
RT - Nursing356
RV - Botanic; Thomsonian; and eclectic medicine19
RX - Homeopathy310
RZ - Other systems of medicine18
S - Agriculture (General)5,730
SB - Plant culture2,560
SD - Forestry3,096
SF - Animal culture789
SH - Aquaculture. Fisheries. Angling.897
SK - Hunting sports396
T - Technology (General)4,896
TA - Engineering (General). Civil Engineering4,081
TC - Hydraulic engineering - Ocean Engineering2,006
TD - Environmental technology. Sanitary engineering2,301
TE - Highway engineering. Roads and pavements949
TF - Railroad engineering and operation1,465
TG - Bridge engineering491
TH - Building construction1,159
TJ - Mechanical engineering and machinery2,529
TK - Electrical engineering. Electronics. Nuclear engineering4,360
TL - Motor vehicles. Aeronautics. Astronautics4,180
TN - Mining engineering. Metallurgy3,760
TP - Chemical technology6,820
TR - Photography866
TS - Manufactures1,181
TT - Handicrafts. Arts and crafts187
TX - Home economics827
U - Military Science (General)1,957
UA - Armies: Organization; distribution; military situation1,690
UB - Military administration1,151
UC - Maintenance and transportation248
UD - Infantry70
UE - Cavalry. Armor61
UF - Artillery502
UG - Military engineering704
UH - Other services128
V - Naval science (General)863
VA - Navies: Organization; distribution; naval situation220
VB - Naval administration39
VC - Naval maintenance38
VD - Naval seaman3
VE - Marines34
VF - Naval ordnance25
VG - Minor services of navies142
VK - Navigation. Merchant marine1,440
VM - Naval architecture. Shipbuilding. Marine engineering722
Z - Books (General). Writing. Paleography. Book industries and trade. Libraries. Bibliography18,122