Each part has both a general and a special t.-p.
On cover, 1923-1934: Istituto storico italiano; 1934- R. Istituto storico italiano per il medio evo.
Some of the volumes have imprint: Bologna, N. Zanichelli.
Edited 1902-1925 by Giosuè Carducci and Vittorio Fiorini; 1926- by Giosuè Carducci, Vittorio Fiorini and Pietro Fedele.
An obituary of Scipione Lapi dated 1903 and signed by Vittorio Florini (4 p. and port.) inserted at beginning of v. 12, pt .3.