Sovesang - song and lyrics by Michael Bojesen, Halfdan Rasmussen, Sankt Annæ Pigekor | Spotify
Halfdans ABC By Halfdan Rasmussen Hard Cover No CD | eBay
Halfdan Rasmussen - V - Art & Frame
halfdan rasmussen - halfdans abc - AbeBooks
Den store Halfdan for de små af Halfdan Rasmussen (Indbundet)
Fra purløgsbed til skumpelskud by Ib Spang Olsen | Goodreads
A Little Bitty Man and Other Poems for the Very Young by Marilyn Nelson, Pamela Espeland, and Halfdan Rasmussen; Illustrated by Kevin Hawkes | Penguin Random House Canada
Like Mustard | From “Eurgh! It's like mustard!” to “Yay! It's like mustard!” (and back again).