Authors: Charles (sorted by quantity of books)
- Tubergen, C. B. (Charles Burton) 1890- 2 books
- Markham, Edwin 1852-1940 2 books
- Baldwin, Charles Sears 1867-1935 2 books
- Abkoude, Christiaan van 1880-1960 2 books
- Moore, Henry Charles 1862-1933 2 books
- Fraser, Malcolm 1868-1949 2 books
- Olcott, Charles S. (Charles Sumner) 1864-1935 2 books
- Richardson, C. J. (Charles James) 1806-1871 2 books
- Marlatt, C. L. 1863-1954 2 books
- Bickerdyke, John 1858-1933 2 books
- Maitland, Julia Charlotte -1864 2 books
- Smith, C. Alphonso (Charles Alphonso) 1864-1924 2 books
- MacFarlane, Charles 1799-1858 2 books
- Chiniquy, Charles Paschal Telesphore 1809-1899 2 books
- Scott, C. Rochfort (Charles Rochfort) 1790-1872 2 books
- Turgeon, Charles Marie Joseph 1855-1934 2 books
- Penrose, Charles W. (Charles William) 1832-1925 2 books
- Taylor, Charles Jay 1855-1929 2 books
- Westmacott, C. M. (Charles Molloy) 1787-1868 2 books
- Fowke, Gerard 1855-1933 2 books
- Eastlake, Charles Lock, Sir 1793-1865 2 books
- Macauley, C. R. (Charles Raymond) 1871-1934 2 books
- Singer, Charles 1876-1960 2 books
- Lester, Charles F. - 2 books
- Dana, Charles A. (Charles Anderson) 1819-1897 2 books