L - Education (General)
- L101 Yearbooks
- L111-791 Official documents, reports, etc.
- L900-991 Directories of educational institutions
LA - History of education
- LA31-135 By period
- LA173-186 Higher education
- LA201-398 United States
- LA410-2284 Other regions or countries
LB - Theory and practice of education
- LB1025-1050.75 Teaching (Principles and practice)
- LB1050.9-1091 Educational psychology
- LB1141-1489 Kindergarten
- LB1501-1547 Primary education
- LB1555-1602 Elementary or public education
- LB1603-1696.6 Secondary education. High schools
- LB1705-2286 Education and training of teachers and administrators
- LB2300-2430 Higher education
- LB2326.4-2330 Institutions of higher education
- LB2361-2365 Curriculum
- LB2371-2372 Graduate education
- LB2801-3095 School administration and organization
- LB3011-3095 School management and discipline
- LB3201-3325 School architecture and equipment. School physical facilities. Campus planning
- LB3602-3640 School life. Student manners and customs
LC - Special aspects of education
- LC8-59 Forms of education
- LC65-245 Social aspects of education
- LC251-951 Moral and religious education
- LC980-1099.5 Types of education
- LC1001-1024 Humanistic education. Liberal education
- LC1025-1027 Collective education
- LC1041-1048 Vocational education (General)
- LC1390-5160.3 Education of special classes of persons
- LC1390 Men. Boys
- LC1401-2572 Women. Girls
- LC2574-2576 Gays. Lesbians. Bisexuals
- LC2580-2582 Student-athletes
- LC2601-2611 Education in developing countries
- LC3701-3740 Immigrants or ethnic and linguistic minorities. Bilingual schools and bilingual education
- LC3950-4806.5 Exceptional children and youth. Special education
- LC5201-6660.4 Education extension. Adult education. Continuing education
- LC6681 Education and travel
LD - Individual institutions - United States
- LD13-7251 Universities. Colleges
- LD7501 Secondary and elementary schools
LE - Individual institutions - America (except United States)
- LE3-5 Canada
- LE7-9 Mexico
- LE11-13 Central America
- LE15-17 West Indies
- LE21-78 South America (Individual countries)
LF - Individual institutions - Europe
- LF14-1257 Great Britain
- LF1311-5627 Individual countries
- LF1311-1537 Austria
- LF1711-2397 France
- LF2402-3197 Germany
- LF4211-4437 Russia
LG - Individual institutions - Asia, Africa, Indian Ocean islands, Australia, New Zealand, Pacific islands
- LG21-395 Asia
- LG401-681 Africa
- LG715-720 Australia
- LG741-745 New Zealand
LH - College and school magazines and papers
LJ - Student fraternities and societies, United States
LT - Textbooks (covering several subjects)
