Title: Speculum vitae = Mirror of life : tone poem for organ and voice [op. 36. Based on poems by Jef Simons]
Authors: Peeters, Flor, 1903-1986.; Simons, Jef.
Publisher: C. F. Peters Corp.,
Year: 1958
Subjects: Simons, Jef Musical settings.; Sacred songs (High voice) with organ.
Contents: Night.--Morning.--Midday.--Evening.