1. Un breve tour en WorldCat del panorama mexicano Dr. Brian Lavoie OCLC Research

2.  Trabajos: 53,472,668  Manifestaciones (registros): 67,282,165  Total existencias: 1,071,507,045  Instituciones: 26,236  Items digitales: 1,571,803  Items físicos: ~1.6 billion (estimación) julio 2006

3. México en WorldCat 73 Instituciones 1,164,367 Existencias totales

4. Colección mexicana: una contribución a WorldCat 803,134 Unique Items 166,211 items held only by Mexican institution(s) 78% held by 1 Mexican institution 20% held by 2 to 5 Mexican institutions 2% held by 6 to 10 Mexican institutions < 1% held by 11 to 20 Mexican institutions 20 Mexican institutions Mexico’s Unique Contribution to WorldCat

5. Primer registro en WorldCat con el símbolo mexicano de existencia adjunto (menor número OCLC) OCLC record #30 Invention and the patent system OCLC record #30 Invention and the patent system

6. Registro WorldCat con mayor # de una biblioteca mexicana OCLC record #35762241 Ecología y medio ambiente Held by 28 Mexican institutions OCLC record #35762241 Ecología y medio ambiente Held by 28 Mexican institutions

7. Materiales en WorldCat originados desde México 488,253 items 488,253 items

8. WorldCat in Spanish = WorldCat en español 2,933,510 Spanish-language items represented in WorldCat 4% of WorldCat 2,933,510 Spanish-language items represented in WorldCat 4% of WorldCat 00839cam 2200205I 4500 001 ocm00982692 003 OCoLC 005 20041029511258.0 008 740820s1961 pr 000 0 spa d 040 $a KSU $b spa $c KSU $d OCL $d OCLCQ 019 $a 48283210 090 $a PQ8097.G6 $b Z523x 100 1 $a Mistral, Gabriela, $d 1889-1957. 605,043 WorldCat records with Spanish-language metadata 605,043 WorldCat records with Spanish-language metadata

9. Contribuciones mexicanas a WorldCat Number of records contributed by Mexican institutions: 202,482 Number of records contributed by Mexican institutions: 202,482 Total holdings attached to Mexican contributed records: 397,009 Total holdings attached to Mexican contributed records: 397,009 Top 5 records (most holdings subsequently attached): OCLC #52565470Shakespeare in Art 419 OCLC #54458294Harry Potter y la Orden del Fénix360 OCLC #53084977Effects of Financial Globalization on Developing Countries238 OCLC #52731312Tlapalería 221 OCLC #52598367La Jefa: Vida Pública y Privada de Marta Sahagún de Fox216 Top 5 records (most holdings subsequently attached): OCLC #52565470Shakespeare in Art 419 OCLC #54458294Harry Potter y la Orden del Fénix360 OCLC #53084977Effects of Financial Globalization on Developing Countries238 OCLC #52731312Tlapalería 221 OCLC #52598367La Jefa: Vida Pública y Privada de Marta Sahagún de Fox216