Buenos Aires, 1953, 1st edition. 400 pp, maps, ills. Spanish text with b&w photos, maps 10 1/4 x 7 1/4', 400 pp., A scarce compilation. The most important ascents (42) of Aconcagua are described chronologically from 1883 to 1946. Each expedition is described in detail, including a list of the participants, followed by a synthesis summarizing the itinerary, a list of the equipment used, a bibliography, and a commentary on what was learned during the expedition.