Authors: C
- Scollard, Clinton 1860-1932 1635 downloads
- St. Clair, Margaret 1911-1995 1635 downloads
- Royle, Charles 1882-1936 1634 downloads
- Shoosmith, C. - 1633 downloads
- DeLand, Clyde O. 1872-1947 1631 downloads
- Tennant, C. Dudley (Charles Dudley) 1866-1952 1630 downloads
- Schaare, C. R. (Christian Richard) 1893-1980 1626 downloads
- Toledano, C. A. - 1623 downloads
- Mitchell, Ruth Comfort 1882-1954 1621 downloads
- United States. Council of National Defense. Highways Transport Committee - 1619 downloads
- Clay, John Cecil 1875-1930 1619 downloads
- Tyler, Moses Coit 1835-1900 1618 downloads
- Hamilton, Clayton Meeker 1881-1946 1615 downloads
- Culos, Ermes Primiano - 1614 downloads
- Campbell, John W. (John William) 1886-1935 1613 downloads
- Remondino, P. C. (Peter Charles) 1846-1926 1612 downloads
- Calef, Robert 1648-1719 1612 downloads
- Barnett, C. Z. (Charles Zachary) -1849 1610 downloads
- Illinois State Geological Survey - 1610 downloads
- Spurgeon, C. H. (Charles Haddon) 1834-1892 1610 downloads
- Pidgin, Charles Felton 1844-1923 1610 downloads
- Pilling, James Constantine 1846-1895 1608 downloads
- Bache, Constance 1846-1903 1607 downloads
- Van Loan, Charles E. (Charles Emmett) 1876-1919 1607 downloads
- Stoffel, Cilia 1887-1976 1606 downloads
Sort By: