L 1-99: Periodicals. Societies.
L 100-106: Yearbooks
L 107-110: Congresses
L 111-796: Official documents, reports, etc.
L 797-898: Educational exhibitions and museums
L899: School Fairs
L 900-999: Directories of educational institutions
LA 1-30: General
LA 31-172: By period
LA 173-199: Higher Education
LA 200-399: United States
LA 400-2299: Other regions or countries
LA 2300-2399: Biography
LB 1-50: General
LB 51-1024: Systems of individual educators and writers
LB 1025-1050.75: Teaching (Principles and Practice)
LB 1050.9-1099: Educational Psychology
LB 1100-1131.99: Child Study (psychology and assessment)
LB 1132-1139: Child Study (literacy in the early years)
LB 1139.2-1139.5: Early Childhood Education
LB 1140-1140.5: Preschool Education/Nursery Schools
LB 1141-1499: Kindergarten
LB 1501-1547: Primary Education
LB 1550-1602: Elementary or Public School Education
LB 1603-1696.6: Secondary Education/High Schools
LB 1700-2286: Education and Training of Teachers and Administrators
LB 2300-2430: Higher Education
LB 2500-2798: School Law
LB 2799-2799.3: Educational Consultants and consulting
LB 2801-3095: School Administration & Organization
LB 3201-3325: School Architecture & Equipment.
LB 3401-3495: School hygiene & health services.
LB 3497-3499: Hygiene in universities & colleges
LB 3525-3575: Special Days
LB 3602-3640: School Life
LB 4000-5251: Instruction of Special Needs Students
LC1-59: Forms of Education
LC 60-249: Social Aspects of Education
LC 65-67.68: Economic Aspects of Education
LC 68-70: Demographic Aspects of Education
LC 71: Education and the State
LC 72-72.5: Academic Freedom
LC 73: Educational Policy
LC 107-120.4: Public School Question. Secularization. Religious Instruction in the public schools
LC 129-139: Compulsory Education
LC 142-146.7: Attendance. Dropouts. [Prior to college]
LC 148-148.5: Attendance. Dropouts. [Higher education]
LC 149-161: Literacy. Illiteracy.
LC 165-182: Higher Education and the state
LC 184-188: Taxation of schools and colleges
LC 189-214.53: Educational sociology
LC 223: Schools as Community Centers
LC 225-226.7: Home and School
LC 230-235: Parent-Teacher Associations. Home and School Associations
LC 237-238.4: College-university and the community
LC 241-245: Foundations, endowments, funds
LC 250-951: Moral and Religious Education
LC 980-1099.5: Types of Education
LC 1100: Transformative Education
LC 1200-1203: Inclusive Education
LC 1390-5160.3: Education of special classes of persons
LC 4001-4806.5: Children and youth with disabilities. Learning disabled children and youth
LC 5200-6660: Education extension/Adult education/Continuing education
LC 6681: Education and travel
LC 6691: Traveling educational exhibits
LD 13-7251: Universities. Colleges
LD 7501: Secondary and elementary schools
LE-LG - Individual Institutions – Other Regions
LH - College and school magazines & papers
LJ - Student Fraternities and societies
LT - Textbooks