Friendship in children -- United States. : Making friends : the influences of culture and development / edited by Luanna H. Meyer ... [and others] ; [foreword by Concha Delgado-Gaitan]
Friendship in literature -- Congresses : Friendship in ancient Greek thought and literature : essays in honour of Chris Carey and Michael J. Edwards / edited by Athanasios Efstathiou, Jakub Filonik, Christos Kremmydas, Eleni Volonaki
Friendship -- Philosophy -- Congresses : Friendship and its paradoxes essays from the VI Latin American Congress of Jungian Psychology edited by Gustavo Barcellos