Volume1 nos 5, 6, 10, 11, 12/13, 16, 17, 18 and 19/20; and Segunda época, nos. 2 and 3/4. Mexico, D.F., May 1963 - July/December 1966. Eleven issues (including three double numbers). Small folio.
Edited by Thelma Nava, et al. The first series was published from Sept 1962 through Sept/Nov 1965 in twenty bimonthly numbers or double numbers, the majority of them folded small folio leaflets, printed on heavy stock in two colours, occasionally with inserts. The last number of the first series, and those in the second, are more substantial, elegantly presented and well-illustrated periodicals, and include two topical issues devoted to "Poesia de Mexico", "España: Poesia de Protesta", and one highlighting poetry of Panama and Vietnam. Contributors include Cardenal, Pacheco, M. Randall, Pavese, Paz, Antonio Alvarado, Carlos Hernandez; illustrations after Millares, Saura, Tapies et al.