Most complete encyclopedia in Spanish. It has biannual supplements, shelved in the stacks of the Wilson Library, and an appendix shelved in the Wilson Reference Collection under call number Quarto AE61.E6 Supplement 2003.

Location: WILSON Reference AE61 .E6 v.1-17 v.18:pt.1-2 v.19-27 v.28:pt.1-2 v.29-70 SUPPLEMENTS: "Apendice":t.1-10

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