The original cover says:

Twelve Favorite Airs
for two flutes or violins
with bass accompaniment
or as trios for flute violin & bass
by W. A. Mozart

Lovely arrangements to play – they work well.

The “Airs” are from Mozart’s Don Giovanni.

No. 1 Act 1, Leporello: “Notte e giorno faticar”
(Night and day I slave)
No. 2 Act 1, Leporello: “Nella bionda”
(With blondes it is his habit)
No. 3 Act 1, Zerlina: “Giovinetta che fate all’amore”
(You girls who trifle with love)
No. 4 Act 2, Don Octavio: “Or che tutti”
(Heaven our cause has righted)
No. 5 Act 2, Don Giovanni: “Versa il vino”
(Pour the wine)
No. 6 Act 1 finale, Donna Anna, Don Octavio and Donna Elvira: “Protegga il giusto cielo”
(Ye powers above)
No. 7 Act 2, Donna Anna: “Forse un giorno il cielo”
(Maybe kind heaven will smile)
No. 8 Act 1 finale, Leporello: “Signor guardate un poco” (Sir, see those charming maskers)
No. 9 Act 2, Zerlina: “Vedrai, carina”
(You’ll see, my darling)
No. 10 Act 1, Don Giovanni: “Finch’han dal vino” (So that the wine)
No. 11 Act 1, Zerlina: “Batti, batti, o bel Masetto”
(Beat me, my Masetto)
No. 12 Act 2, Don Giovanni: “Già la mensa è preparata” (The dinner is prepared)