Jens Billes visebog ('Jens Bille's song-book', Odense, Landsarkivet for Fyn, Karen Brahe E I,2, also called 'Jens Billes håndskrift' and 'Jens Billes poesiebog' and once known as 'Steen Billes Haandskrift') is the second oldest major collection of Danish poetry, after the Heart Book.[1] It was compiled in the second half of the 1550s.[2]