V-CVbav-ms-Capp.Giulia.XII,4: Composer name in ms (index) = 'A. d[e] Sylva' / Composer name in ms = 'Andreas de Silva'
V-CVbav-ms-Capp.Sist.55: Composer name in ms (index) = 'A. de sylv[a]' / Composer name above page almost entirely cut off / Title as in ms (index) = 'Illumina oculos meos' / [Superius]: 'Fac mecu[m] tacet'; 'Tenor 2e[secundus] tacet'; 'Bassus prim[us] tacet'
