*Utriculus: bollettino dell’Associazione Culturale Circolo della Zampogna, a cura di Antonietta Caccia & Mauro Gioielli. Available: nos. 1;1 [1] (1992) - 62 (2021) [all issued so far]. Having started as a "trimestrale" [i.e. quarterly], it ended as such in 2008 (Anno XII) with issue no. 46. The new series started with semestrals 47 & 48 (Anno XIII, 2014, I & II); Nos. 49-50 (Anno XIV, 2015) and 51-52 (Anno XV, 2016) are "double" issues, nos. 53 & 54 (Anno XVI, 2017) and 55 & 56 (Anno XVII, 2018, I & II) are semestrals, no. 57-58 (Anno XVIII, 2019) is another "double" issue, and nos 59 &-60 (Anno XIX, 2020, I & II) are semestrals again, and no. 61-62 (Anno XX, 2021), another "double" issue. Scapoli, 1992-… (present). ISSN (Starting no.20 (5;4)): 1125-033X.