Authors: Carl (sorted by quantity of books)
- Ocantos, Carlos María 1860-1949 1 book
- Schüddekopf, Carl 1861-1917 1 book
- Niebuhr, Carl 1861-1927 1 book
- Müller-Rastatt, Karl 1861-1931 1 book
- Nissen, Carl 1861-1945 1 book
- Charlier, C. V. L. (Carl Vilhelm Ludwig) 1862-1934 1 book
- Apstein, C. (Carl Heinrich) 1862-1950 1 book
- Newsom, Sidney Carleton 1863- 1 book
- Carlos I, King of Portugal 1863-1908 1 book
- Chiostri, Carlo 1863-1939 1 book
- Looft, Carl 1863-1943 1 book
- Akeley, Carl Ethan 1864-1926 1 book
- Carl, Katharine A. (Katharine Augusta) 1865-1938 1 book
- Munro, Dana Carleton 1866-1933 1 book
- Hosius, Carl 1866-1937 1 book
- Patton, Carl S. (Carl Safford) 1866-1939 1 book
- Seashore, Carl E. (Carl Emil) 1866-1949 1 book
- Torres, Carlos Arturo 1867-1911 1 book
- Mannerheim, Carl Gustaf Emil 1867-1951 1 book
- Reyles, Carlos 1868-1938 1 book
- Batlle, Carlos de 1869-1935 1 book
- Conant, Carlos Everett 1870-1925 1 book
- Giese, Friedrich 1870-1944 1 book
- Kelsey, Carl 1870-1953 1 book
- Eiselen, Frederick Carl 1872-1937 1 book
