Authors: p
- Silva, Joaquim Possidónio Narciso da 1806-1896 481 downloads
- Pompery, Edouard de 1812-1895 481 downloads
- Paredes, M. Rigoberto (Manuel Rigoberto) 1870-1950 480 downloads
- Perley, M. V. B. - 480 downloads
- Pascal, Teodoro 1857-1937 480 downloads
- Percoto, Caterina 1812-1887 479 downloads
- Peters, Samuel 1735-1826 479 downloads
- Ásgeir Pétursson - 479 downloads
- Poulbot, Francisque 1879-1946 479 downloads
- Popini, Alexander 1878-1962 478 downloads
- Poel, William 1852-1934 477 downloads
- Northumberland, Alan Ian Percy, Duke of 1880-1930 477 downloads
- Morton, Sarah Wentworth 1759-1846 477 downloads
- Haanpää, Pentti 1905-1955 476 downloads
- Gerhardt, Paul 1607-1676 476 downloads
- Smith, Philip Vernon 1845-1929 476 downloads
- Prentice, Amy - 475 downloads
- United States. Congress. House. Committee on Patents - 475 downloads
- Dukes, Paul 1889-1967 474 downloads
- Dorman, Marcus R. P. 1868-1907 474 downloads
- Pollard, Percival 1869-1911 474 downloads
- Vidal, Pierre 1849-1913 474 downloads
- Hewby, John Petch 1835-1896 474 downloads
- Annet, Peter 1693-1769 474 downloads
- Penrose, Charles W. (Charles William) 1832-1925 474 downloads
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