# | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Okada, Masahiro : 1 title(s)
Okken, Lambertus : 1 title(s)
Olbers, Wilhelm : 1 title(s)
Old Glasgow Museum : 1 title(s)
Oldfield, R. C. : 1 title(s)
Oldroyd, D. R.; Hutchings, D. W. : 1 title(s)
Oldroyd, David : 1 title(s)
Ole Romers Museum : 1 title(s)
O'Leary, De Lacy : 1 title(s)
Olesko, Kathryn M. : 1 title(s)
Oliveira Martins, J. P. (Joaquim Pedro), 1845-1894 : 1 title(s)
Olivier, Charles P. : 1 title(s)
Ollerenshaw, Kathleen : 1 title(s)
Olley, William Henry : 1 title(s)
Olliver, C. W. : 1 title(s)
Olmsted, John W. : 2 title(s)
Olschki, Leo S. : 1 title(s)
Olson, Roberta J. M. : 1 title(s)
Olson, Roberta J. M. ; Pasachoff, Jay M. : 1 title(s)
Olsson, Martin : 1 title(s)
Olszewski, Edward J. : 1 title(s)
Olyver, Thomas : 1 title(s)
On the Boyle : 1 title(s)
O'Neill, Hugh : 2 title(s)
Open University : 1 title(s)
Opitz, Laszlo : 1 title(s)
Oppenheimer, Hermann : 1 title(s)
Oppenheimer, Jane M. : 4 title(s)
Optical Convention, 1905 : 2 title(s)
Optical Convention, 1912 : 1 title(s)
Optical Convention, 1926 : 3 title(s)
Optical Society of London : 1 title(s)
Oracula Sibyllina Gr.-Lat. : 1 title(s)
Orange, A. D. : 1 title(s)
Ord, Margery G. ; Stocken, Lloyd A. : 1 title(s)
Ordnance Survey : 3 title(s)
Ordway III, Frederick I.; Liebermann, Randy (eds.) : 1 title(s)
Orford, Henry : 1 title(s)
Oriental Institute Library : 1 title(s)
Orleans, Cherubin d' : 1 title(s)
Orleans, Le Pere Cherubin D' [Laserre, Francois] : 1 title(s)
Orley, Ladislaus : 1 title(s)
Orley, Laszlo : 1 title(s)
Ormandy, P. G. : 1 title(s)
Ormerod, Eleanor A. : 2 title(s)
Ormerod, Eleanor A. (Eleanor Anne), 1828-1901. : 1 title(s)
Ormerod, Eleanor A.; Tegetmeier, W. B. : 1 title(s)
Orr, Hugh : 5 title(s)
Orr, John, Sir, et al. : 1 title(s)
Orsini, Latino : 1 title(s)
Orsted, H. C. : 1 title(s)
Ortiz, Fernando : 1 title(s)
Ortloff, Fr. (ed.) : 1 title(s)
Ortroy, F. van : 1 title(s)
Ortroy, Fernand van : 1 title(s)
Orueta y Duarte, Domingo de : 1 title(s)
Orvas, Guillaume : 1 title(s)
Osbeck, Pehr, 1723-1805. : 1 title(s)
Osborn, T. G. B. : 1 title(s)
Oseen, C. W. : 1 title(s)
Osietzki, Maria : 1 title(s)
Osiris : 3 title(s)
Osler, A. Follett : 1 title(s)
Osler, Sir William : 5 title(s)
Osler, W. : 1 title(s)
Osler, William : 9 title(s)
Osler, William, Sir, 1849-1919 : 1 title(s)
Osley, A. S. : 1 title(s)
Oslo University : 1 title(s)
Osmania Medical College : 1 title(s)
Osmania Oriental Publications Bureau, Hyderabad : 1 title(s)
Osmond, Floris; Stead, J. E. : 1 title(s)
Osmond, Floris; Stead, J. E.; Sidney, L. P. : 1 title(s)
Osseguti, Antonio Suetonio : 1 title(s)
Osten, Sigrid von : 1 title(s)
Oster, Malcolm : 1 title(s)
Osterreichische Nationalbibliothek : 1 title(s)
Ostertag, Johann Filipp : 1 title(s)
Ostolskii, Vs. I.; Chekanov, Andrei Aleksandrovich : 1 title(s)
Ostrovityanov, K. V. (ed.) : 1 title(s)
Ostwald, Wilhelm : 2 title(s)
Otago University Museum, Dunedin : 1 title(s)
Otsuka Pharmaceutical Co. : 1 title(s)
OTT Messtechnik : 1 title(s)
Otto von Guericke Society : 1 title(s)
Otto, L.; Martin H. : 1 title(s)
Otto, Ludwig : 5 title(s)
Oudemans, A. C. : 1 title(s)
Oudemans, Ioannes Abrahamus Christianus : 1 title(s)
Oudemans, J. A. C. : 2 title(s)
Oudemans, J. A. C.; Bosscha, J. : 1 title(s)
Oudheidskamer van het IJkwezen : 1 title(s)
Oughtred Society : 1 title(s)
Oughtred, W. : 2 title(s)
Oughtred, William : 10 title(s)
Outline : 1 title(s)
Ovenell, R. F. : 2 title(s)
Overmier, Judith A.; Senior, John Edward : 1 title(s)
Owen, [Richard] : 3 title(s)
Owen, Corbett, 1646-1671 : 1 title(s)
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