Afskeedskomplimenter til hr. P. A. HeibergConrad Malte-Brun, Bent W. Dahlstrøm · First published 1796Open the Tome
P.A. Heiberg, Johanne Luise og Johan Ludvig Heiberg, Thomasine GyllembourgDenmark. Rigsarkivet. · First published 1978Open the Tome
P.A. Heiberg, Johanne Luise og Johan Ludvig Heiberg, Thomasine GyllembourgDenmark. · First published 1978Open the Tome
Pre-Mississippian succession of northernmost Axel Heiberg Island, Canadian Arctic Archipelago [by] P.E. Fricker and H.P. TrettinP. E Fricker · First published 1963Open the Tome
