:: Writings ::
  Manuscripts
    - N. Copernicus' manuscripts
    - Copies of Writings by Copernicus
  Prints
    - Copernicana in Swedish collections
    - Writings published during Copernicus' life
    - Editions of the "De revolutonibus", "Narratio prima" and "Septem sidera"
    - Works of other authors related to Copernicus' life or his theory