Colección: TEMAS
| Temas | Cantidad |
|---|---|
| Aplicación informática | 40 |
| Argentina | 54 |
| Arquivologia; Biblioteconomia; História; Educação; Sociologia; Psicologia; Direito; Ciência da Informação | 275 |
| Ciencias Informáticas | 127 |
| Design & technology ; Education | 77 |
| Educación Física y Deportiva | 67 |
| Informática | 63 |
| LCC:A | 56 |
| LCC:Agriculture | 97 |
| LCC:Agriculture (General) | 41 |
| LCC:B | 121 |
| LCC:B1-5802 | 46 |
| LCC:BF1-990 | 41 |
| LCC:Biology (General) | 84 |
| LCC:Business | 48 |
| LCC:Chemistry | 49 |
| LCC:Commerce | 50 |
| LCC:Economic theory. Demography | 43 |
| LCC:Education | 153 |
| LCC:Education (General) | 74 |
| LCC:Electrical engineering. Electronics. Nuclear engineering | 48 |
| LCC:Electronic computers. Computer science | 77 |
| LCC:Engineering (General). Civil engineering (General) | 49 |
| LCC:G | 108 |
| LCC:General Works | 56 |
| LCC:Geography. Anthropology. Recreation | 108 |
| LCC:H | 258 |
| LCC:H1-99 | 73 |
| LCC:HB1-3840 | 43 |
| LCC:HF1-6182 | 50 |
| LCC:HF5001-6182 | 48 |
| LCC:Instruments and machines | 77 |
| LCC:Internal medicine | 212 |
| LCC:K | 38 |
| LCC:K1-7720 | 34 |
| LCC:L | 153 |
| LCC:L7-991 | 74 |
| LCC:LC8-6691 | 67 |
| LCC:Language and Literature | 180 |
| LCC:Law | 38 |
| LCC:Literature (General) | 38 |
| LCC:Mathematics | 136 |
| LCC:Medicine | 526 |
| LCC:Medicine (General) | 106 |
| LCC:Neurology. Diseases of the nervous system | 35 |
| LCC:Neurosciences. Biological psychiatry. Neuropsychiatry | 58 |
| LCC:P | 180 |
| LCC:P1-1091 | 87 |
| LCC:PN1-6790 | 38 |
| LCC:Philology. Linguistics | 87 |
| LCC:Philosophy (General) | 46 |
| LCC:Philosophy. Psychology. Religion | 121 |
| LCC:Physics | 48 |
| LCC:Psychology | 41 |
| LCC:Public aspects of medicine | 51 |
| LCC:Q | 449 |
| LCC:Q1-390 | 40 |
| LCC:QA1-939 | 136 |
| LCC:QA71-90 | 77 |
| LCC:QA75.5-76.95 | 77 |
| LCC:QC1-999 | 48 |
| LCC:QD1-999 | 49 |
| LCC:QH301-705.5 | 84 |
| LCC:R | 526 |
| LCC:R5-920 | 106 |
| LCC:RA1-1270 | 51 |
| LCC:RC31-1245 | 212 |
| LCC:RC321-571 | 58 |
| LCC:RC346-429 | 35 |
| LCC:RC581-951 | 83 |
| LCC:S | 97 |
| LCC:S1-972 | 41 |
| LCC:Science | 449 |
| LCC:Science (General) | 40 |
| LCC:Social Sciences | 258 |
| LCC:Social sciences (General) | 73 |
| LCC:Special aspects of education | 67 |
| LCC:Specialties of internal medicine | 83 |
| LCC:T | 191 |
| LCC:T1-995 | 37 |
| LCC:TA1-2040 | 49 |
| LCC:TK1-9971 | 48 |
| LCC:Technology | 191 |
| LCC:Technology (General) | 37 |
| Medicina Preventiva y Salud Pública | 38 |
| Mexico | 113 |
| México | 374 |
| No aplica | 3371 |
| _empty_ | 516 |
| biology | 36 |
| democracia | 35 |
| economics | 46 |
| education | 49 |
| history | 36 |
| humanities | 36 |
| linguistics | 56 |
| literature | 49 |
| management | 48 |
| medicine | 48 |
| social sciences | 41 |