v. Noorden I 204; II [236].

Nürnberger I 258, 259; II [115].

Pearson II [34].

Peiper II [234].

Pelizaeus I 219, 220.

Peters, W. I 273, 274, 275, 276, 304; II [54].

Pfaundler, M. v. I 192, 218, 304.

Pfitzner II [49], [51].

Placzek II [235].

Plate L. I 299.