A Brief Tour of WorldCat

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A Brief Tour of WorldCatsMexican Landscape
Dr. Brian Lavoie OCLC Research
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• Works 53,472,668
• Manifestations (records) 67,282,165
• Total holdings 1,071,507,045
• Institutions 26,236
• Digital Items 1,571,803
• Physical Items 1.6 billion (estimated)

as of July 2006
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Mexico in WorldCat
73 Institutions
1,164,367 Total Holdings
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The WorldCat Mexican Aggregate Collection
166,211 items held only by Mexican institution(s)
803,134 Unique Items
Mexicos Unique Contribution to WorldCat
78 held by 1 Mexican institution 20 held by 2
to 5 Mexican institutions 2 held by 6 to 10
Mexican institutions lt 1 held by 11 to 20
Mexican institutions lt 1 held by gt 20 Mexican
institutions
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First WorldCat Record with Mexican Holding
Attached (Lowest OCLC Number)
OCLC record 30 Invention and the patent system
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WorldCat record with largest of Mexican library
holdings
OCLC record 35762241 Ecologia y medio ambiente
Held by 28 Mexican institutions
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Materials in WorldCat originating from Mexico
488,253 items
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WorldCat in Spanish WorldCat en español
605,043 WorldCat records with Spanish-language met
adata
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.
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Mexican contributions to WorldCat
Number of records contributed by Mexican
institutions 202,482
Total holdings attached to Mexican
contributed records 397,009

• Top 5 records (most holdings subsequently
  attached)
• OCLC 52565470 Shakespeare in Art 419
• OCLC 54458294 Harry Potter y la Orden del
  Fénix 360
• OCLC 53084977 Effects of Financial
  Globalization on
• Developing Countries 238
• OCLC 52731312 Tlapalería 221
• OCLC 52598367 La Jefa Vida Pública y Privada
  de
• Marta Sahagún de Fox 216