Authors: Ro
- Roy, Eugene Armand -1884 731 downloads
- Rose, Valentin 1829-1916 731 downloads
- Sketchley, R. E. D. (Rose Esther Dorothea) 1875- 730 downloads
- Beers, R. W. 1860- 729 downloads
- Curzon, Robert 1810-1873 728 downloads
- Briggs, Rose T. (Rose Thornton) 1893-1981 724 downloads
- Bartlett, Bob 1875-1946 724 downloads
- Bayne, Ronald, Rev. 1859-1922 723 downloads
- Murchison, Roderick Impey, Sir 1792-1871 723 downloads
- Roth, Herb 1887-1953 721 downloads
- Clyne, Ronald 1925-2006 720 downloads
- Gustavson, Lealand 1899-1966 720 downloads
- Mallet, Robert 1810-1881 718 downloads
- Cressman, Robert 1950- 718 downloads
- Browne, J. Ross (John Ross) 1821-1875 717 downloads
- Brinkerhoff, R. M. (Robert Moore) 1879-1958 714 downloads
- Zacks, Robert - 714 downloads
- Garratt, Evelyn R. 1854- 713 downloads
- Roche, Charles E. (Charles Emile) 1847-1935 711 downloads
- Werner, M. R. (Morris Robert) 1897-1981 711 downloads
- Humières, Robert d' 1868-1915 710 downloads
- Royal Geographical Society (Great Britain) - 710 downloads
- Richards, R. (Robert) 1884-1954 709 downloads
- Hoerschelmann, Rolf von 1885-1947 708 downloads
- Robinson, Jacob - 707 downloads
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