Enthält:
- Pischel, Richard, Halle, 1885 - 1904 (24),
- Pistor, Berlin, 1889 - 1893 (14),
- Planck, G., Berlin, Göttingen, 1896 - 1904 (4),
- Plack, Max, Berlin, 1892 - 1895 (13),
- Plassmann, J., Münster, 1904 - 1906 (2),
- Plate, Berlin, 1902 - 1907 (7),
- Plate, Ludwig, Berlin, 1897 - 1900 (2),
- Plath, Berlin, 1888 (1),
- Plath, Lüneburg, 1897 (1),
- Plath, Konrad, Berlin, 1894 - 1895 (2),
- Plathner, Otto, Leipzig, 1889 (1),
- Platner, Marburg, 1883 - 1885 (5),
- Plehwe, v., Königsberg, 1902 (1),
- Plessen, v., Potsdam, 1905 (1),
- Plettenberg, u. a., Berlin, 1906 - 1907 (3),
- Plock, Auguste, verehel. Martin, Wesel, 1887 (2); dabei auch Martin, Auguste, geb. Plock, 1887 (2),
- Plockhorst, B., Berlin, 1895 (1).
