"Lev vel II (Lev vel! lev evig vel!)" [Danish title] is number 2507 in the Hans Christian Andersen Center's register of Andersen's literary works, i.e. no. 1007 in the category poems (the range 1501 - 2900).
"Lev vel II (Lev vel! lev evig vel!)" [Danish title] was first published 1905. Further information: H.C. Andersen-litteraturen 1875-1968 nr. 202.
In modern Danish on p. 831 in Johan de Mylius (editor): H.C. Andersen. Samlede digte ('Collected poems', Copenhagen, 2000).