He was elected ordinary non-resident member of the Accademia Pontaniana on June 16, 1949. On June 3, 1951 he was elected corresponding member to the class of mathematical sciences of the Società Nazionale di Scienze Lettere e Arti in Napoli: subsequently, he became ordinary member and ordinary non-resident member. On 14 October 1960 he was elected corresponding member of the Accademia Nazionale dei Lincei: he became national member of the same academy on March 21, 1977.
Selected publications
. "Fundamentals of group theory. First volume" is the first part of monograph in group theory dealing extensively with many of its aspects.
. "Fundamentals of group theory. Second volume" is the second part of monograph in group theory dealing extensively with many of its aspects.
. This work describes the research activity at the Sapienza University of Rome and at the "Istituto Nazionale di Alta Matematica Francesco Severi" from the end of the 1930s to the early 1940s.
. The "Yearbook 2015" of the Accademia Pontaniana, published by the Academy itself and describing its past and present hierarchies and its activities. It also gives some notes on its history, the full list of its members and other useful information.
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. The biographical and bibliographical entry on Guido Zappa, published under the auspices of the Accademia dei Lincei in a book collecting many profiles of its members living members up to 1976.
. The "Yearbook 2014" of the Società Nazionale di Scienze Lettere e Arti in Napoli, published by the society itself and describing its past and present hierarchies, and its activities. It also reports some notes on its history, the full list of its members and other useful information.
Scientific references
. Guido Zappa and combinatorial geometry, a paper from the Atti del Convegno Internazionale di Teoria dei Gruppi e Geometria Combinatoria - Firenze, Ottobre 23–26 1986, in onore di Guido Zappa, describes his contributions to combinatorial geometry.
. Guido Zappa and group theory, a paper from the Atti del Convegno Internazionale di Teoria dei Gruppi e Geometria Combinatoria - Firenze, Ottobre 23–26 1986, in onore di Guido Zappa, describes his contributions to group theory.
. The contributions of Zappa to algebraic geometry, a paper from the Atti del Convegno Internazionale di Teoria dei Gruppi e Geometria Combinatoria - Firenze, Ottobre 23–26 1986, in onore di Guido Zappa, describes his contributions to algebraic geometry.
