Wundt, W., [24], [52], [62], [71], [137], [235], [243], [254], [288], [290]

Young, Th., [119]

Zacharias, Pope, [180]

Zedlitz, von, [363]

Zeller, E., [246], [255]

Ziegler, Th., [59]

Zittel, [116]

Zöckler, [7], [181], [201]

Zoen, Bishop, [151]

Zola, [248] et seq.