In 1902, Count Aurelio Guglielmi Balleani commissioned Cesare Annibaldi, a local philologist and professor, to examine some manuscripts collected in the count's private library. The manuscripts dated to the second half of the 15th century, and had belonged to the library of the
humanist Stefano Guarnieri (1425–1493), a chancellor and diplomat in
Perugia, which he had built with his brother Francesco. The Guarnieris were born in
Osimo, only 15 km from Jesi, and came from an educated family of landowners that had been members of the nobility since the 12th century. This library was inherited by the Balleani family through the marriage of Gaetano Balleani to Sperandia Guarnieri, a descendant of Francesco, in 1793. It remained in the family's possession until 1994. Annibaldi discovered the works of Tacitus in one of Guarnieri's manuscripts, and in the Agricola
quaternion found eight
folia consisting of sixteen pages written in
Carolingian minuscule script from the early 9th century (fl. 56 – 63). The manuscript also contained a Latin version of the
Dictys Cretensis, which according to the
incipit, came from an L. Septimius, also written almost entirely in Carolingian minuscule from the 9th century. Since the lettering of the quaternion matched exactly
Pier Candido Decembrio's description of the
Agricola in the
Hersfeldensis from the year 1455, Annibaldi concluded that this was a fragment of the lost original document. Guarnieri must have acquired the
Agricola section from the
Hersfeldensis and copied the missing parts as well as the
Germania from
H. As a result, he published his findings: in 1907, a facsimile of the
Agricola with
collations of the
Dictys and the
Germania, and in 1910 a facsimile of the
Germania with a diplomatically edited text. In 1929 the family tried to auction the codex through Sotheby's in London without success and it was taken off the market. In the 1930s the codex drew attention from
Nazi ideologues who regarded the included
Germania as a foundational document of "germanic-German" history and ethnicity. In 1936, during
Mussolini's state visit to Berlin,
Hitler personally requested that the codex be given over to the
German Reich, a request that Mussolini initially approved. He later changed his mind, however, due to widespread opposition among Italians, who considered the document to be an important part of their own national heritage. Through diplomatic mediation and
Himmler's influence, the Italian government permitted
Rudolf Till and
Paul Lehmann of the Research Association of German
Ahnenerbe to examine the codex in 1939. In 1943 the results of this examination were released along with photographic illustrations of the
Agricola and
Germania folia produced by the Istituto di Patologia del Libro in
Rome. After the war, in 1947, a set of the photographs was transferred to the
Widener Library at
Harvard University through the U.S. Embassy in Italy. Following the
Allied invasion of Italy and the
coup of June 1943 against Mussolini, Himmler ordered an
SS command to Jesi in the autumn of that year to seize the codex. The command
raided all three of the count's
palazzi, but the search was unsuccessful. The
anti-fascist family had been previously warned and had gone into hiding. The
Aesinas had been concealed in a chest, which the SS command had overlooked. In the post-war period, the owners secured the manuscript in their own
Florentine bank, where it suffered water damage from the
flood of the Arno in 1966. In the following years, it was restored by a specialized laboratory in
Grottaferrata, where it was also
re-bound. The
Herzog August Library approached the Baldeschi Balleani family in 1987 to acquire the codex, but ultimately abandoned the purchase due to the damage. In 1993 the Italian
Ministry of Culture expressed interest in purchasing the manuscript from the family's private library. As part of this effort, an official examined the
Aesinas and two other manuscripts containing works by
Cicero. The Italian government made an offer for all three, and the purchase was completed in June 1994. The three manuscripts were added to the collection of the
Biblioteca Nazionale Centrale di Roma, where the
Aesinas is catalogued as
Vittorio Emanuele 1631. As part of the 2000th anniversary of the
Battle of the Teutoburg Forest in 2009, the
Aesinas was presented to a wide audience for the first time in the three-part exhibition: "
Imperium, Conflict, Myth" at the
Lippisches Landesmuseum in
Detmold,
North Rhine-Westphalia. == Description and Composition ==