"Lev vel I (Lev vel! Lev evig vel!)" [Danish title] is number 2522 in the Hans Christian Andersen Center's register of Andersen's literary works, i.e. no. 1022 in the category poems (the range 1501 - 2900).
"Lev vel I (Lev vel! Lev evig vel!)" [Danish title] was first published October 2000.
Bibliographic description of the first publication containing this work, quoted from the Danish bibliography H.C. Andersen-Centrets bibliografiske optegnelser:
Lev vel I (Lev vel! Lev evig vel!)
In modern Danish on p. 830 in Johan de Mylius (editor): H.C. Andersen. Samlede digte ('Collected poems', Copenhagen, 2000).