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 | 84 |
| Educación Física y Deportiva | 70 |
| Informática | 63 |
| LCC:A | 47 |
| LCC:Agriculture | 95 |
| LCC:Agriculture (General) | 42 |
| LCC:B | 115 |
| LCC:B1-5802 | 47 |
| LCC:BF1-990 | 38 |
| LCC:Biology (General) | 83 |
| LCC:Business | 47 |
| LCC:Chemistry | 49 |
| LCC:Commerce | 51 |
| LCC:Economic theory. Demography | 44 |
| LCC:Education | 148 |
| LCC:Education (General) | 71 |
| LCC:Electrical engineering. Electronics. Nuclear engineering | 47 |
| LCC:Electronic computers. Computer science | 76 |
| LCC:Engineering (General). Civil engineering (General) | 46 |
| LCC:Environmental sciences | 34 |
| LCC:G | 110 |
| LCC:GE1-350 | 34 |
| LCC:General Works | 47 |
| LCC:Geography. Anthropology. Recreation | 110 |
| LCC:H | 260 |
| LCC:H1-99 | 74 |
| LCC:HB1-3840 | 44 |
| LCC:HF1-6182 | 51 |
| LCC:HF5001-6182 | 47 |
| LCC:Instruments and machines | 76 |
| LCC:Internal medicine | 210 |
| LCC:K | 38 |
| LCC:L | 148 |
| LCC:L7-991 | 71 |
| LCC:LC8-6691 | 65 |
| LCC:Language and Literature | 174 |
| LCC:Law | 38 |
| LCC:Literature (General) | 39 |
| LCC:Mathematics | 133 |
| LCC:Medicine | 523 |
| LCC:Medicine (General) | 101 |
| LCC:Neurology. Diseases of the nervous system | 35 |
| LCC:Neurosciences. Biological psychiatry. Neuropsychiatry | 57 |
| LCC:P | 174 |
| LCC:P1-1091 | 80 |
| LCC:PN1-6790 | 39 |
| LCC:Philology. Linguistics | 80 |
| LCC:Philosophy (General) | 47 |
| LCC:Philosophy. Psychology. Religion | 115 |
| LCC:Physics | 51 |
| LCC:Psychology | 38 |
| LCC:Public aspects of medicine | 53 |
| LCC:Q | 448 |
| LCC:Q1-390 | 40 |
| LCC:QA1-939 | 133 |
| LCC:QA71-90 | 76 |
| LCC:QA75.5-76.95 | 76 |
| LCC:QC1-999 | 51 |
| LCC:QD1-999 | 49 |
| LCC:QH301-705.5 | 83 |
| LCC:R | 523 |
| LCC:R5-920 | 101 |
| LCC:RA1-1270 | 53 |
| LCC:RC31-1245 | 210 |
| LCC:RC321-571 | 57 |
| LCC:RC346-429 | 35 |
| LCC:RC581-951 | 85 |
| LCC:S | 95 |
| LCC:S1-972 | 42 |
| LCC:Science | 448 |
| LCC:Science (General) | 40 |
| LCC:Social Sciences | 260 |
| LCC:Social sciences (General) | 74 |
| LCC:Special aspects of education | 65 |
| LCC:Specialties of internal medicine | 85 |
| LCC:T | 184 |
| LCC:T1-995 | 38 |
| LCC:TA1-2040 | 46 |
| LCC:TK1-9971 | 47 |
| LCC:Technology | 184 |
| LCC:Technology (General) | 38 |
| Medicina Preventiva y Salud Pública | 39 |
| Mexico | 113 |
| México | 374 |
| No aplica | 3513 |
| _empty_ | 548 |
| biology | 37 |
| democracia | 35 |
| economics | 49 |
| education | 44 |
| humanities | 36 |
| linguistics | 55 |
| literature | 46 |
| management | 46 |
| medicine | 48 |
| social sciences | 44 |