"Public Catalog". United States Copyright Office. Archived from the original on 19 January 2018. Retrieved 2 November 2022. Enter Spartacus in the Search for field, select Title and then begin search. Sort by Date (ascending) and then click on the 49th entry listed.
"Public Catalog". United States Copyright Office. Archived from the original on 19 January 2018. Retrieved 2 November 2022. Enter Spartacus in the Search for field, select Title and then begin search. Sort by Date (ascending) and then click on the 66th entry listed.
"Public Catalog". United States Copyright Office. Archived from the original on 19 January 2018. Retrieved 2 November 2022. Enter Groovy Train in the Search for field, select Title and then begin search. Sort by Date (ascending) and then click on the 6th entry listed.
"Public Catalog". United States Copyright Office. Archived from the original on 19 January 2018. Retrieved 2 November 2022. Enter All Together Now in the Search for field, select Title and then begin search. Sort by Date (ascending) and then click on the 107th entry listed.
"Public Catalog". United States Copyright Office. Archived from the original on 19 January 2018. Retrieved 2 November 2022. Enter Spartacus in the Search for field, select Title and then begin search. Sort by Date (ascending) and then click on the 49th entry listed.
"Public Catalog". United States Copyright Office. Archived from the original on 19 January 2018. Retrieved 2 November 2022. Enter Spartacus in the Search for field, select Title and then begin search. Sort by Date (ascending) and then click on the 66th entry listed.
"Public Catalog". United States Copyright Office. Archived from the original on 19 January 2018. Retrieved 2 November 2022. Enter Groovy Train in the Search for field, select Title and then begin search. Sort by Date (ascending) and then click on the 6th entry listed.
"Public Catalog". United States Copyright Office. Archived from the original on 19 January 2018. Retrieved 2 November 2022. Enter All Together Now in the Search for field, select Title and then begin search. Sort by Date (ascending) and then click on the 107th entry listed.
"Rustlers Raid Farm". NME. 28 January 1999. Archived from the original on 2 November 2022. Retrieved 2 November 2022.