Happy days [1915]musical workThe Ladder of loveAlleyn, LeslieComposerAlleyn, LeslieComposerStanley, RayLyricistStanley, RalphLyricist[1915]printscoregeneralAlleyn, Leslie, Composer; Stanley, Ray, Lyricist; Stanley, Ralph, LyricistM1508 Happy days [1915]loc.natlib.m1508.23730http://lcweb2.loc.gov/diglib/ihas/loc.natlib.m1508.23730/item.html?ID=2373023730M1508 Happy days [1915]It's Showtime! Sheet Music from Stage and Screenhtml/songsinshows/songsinshows-home.htmlm1508m1508showsloc.natlib.m1508.23730http://lcweb2.loc.gov/diglib/ihas/loc.natlib.m1508.23730/Music Division, Library of CongressDLC150709loc.natlib.m1508.23730