«Expectatio iustorum laetitia»
| Language: Latin | Expectatio iustorum laetitia spes autem impiorum peribit fortitudo simplicis via domini et pavor his qui operantur malum |
| Lasso (1577), 5: Expectatio iustorum laetitia | |
| Various composers (1590), 7: Orlando Lassusio. «Expectatio iustorum laetitia» | Upper part: «SVPERIVS». Lower part: «ALTVS». |
| Gumpelzhaimer (1591), 127: [f. IX:] Orlandi di Lassus. «Expectatio justorum laetitia» | |
| Lindner (1591), 6: VI. ORLAN. DI LASSVS. «Expectatio iustorum laetitia» | |
| Beringer (1610), 62: «Expectatio justorum laetitia» | |
| Gumpelzhaimer (1611), 83: [f. 53:] Orlandi di Lassus. «Expectatio iustorum laetitia» |
| Bornstein, Italian Duos | A study of the Italian duo throughout the Renaissance and the Baroque. |
| Bergquist, Lasso: Motets | Bergquist's edition of Lasso's motets includes the whole duo collection published in 1577. |
| Dart, Madrigals | Modern edition of 24 duos found in various sources. |
| Gabbrielli, Lasso | Modern edition of all the motets found in Lasso's duo collection. |
| Gát, Lasso | Complete modern edition of Lasso's collection, though textless. |
| Ghezzi, Lasso | Complete modern edition of Lasso's twelve motets found in Lasso (1577), plus a study on their structure. |
| Mönk, Lasso | Partial modern edition of Lasso's duos found in Beringer (1610). |
| Pinthus, Lasso | Modern edition of all the duos attributed to Lasso found in Beringer (1610). |
| Sohns, Lasso | Modern edition of all the duos attributed to Lasso found in Beringer (1610). |
| Vellek, Lasso | Modern edition of all the motets found in Lasso's duo collection. |
