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This library is built in the open.
If you spot an error, have a suggestion, or just want to say hello — we’d love to hear from you.

| XXI | THE NATURE OF WATER | 643 |
| XXII | HYDRAULICS | 771 |
| XXIII | CANAL CONSTRUCTION | 775 |
| XXIV | EXPERIMENTS | 785 |
| XXV | INVENTIONS | 790 |
| XXVI | WARFARE | 806 |
| XXVII | NAVAL WARFARE | 842 |
| XXVIII | COMPARISON OF THE ARTS | 852 |
| XXIX | PRECEPTS OF THE PAINTER | 857 |
| XXX | COLOR | 921 |
| XXXI | LANDSCAPE | 927 |
| XXXII | LIGHT AND SHADE | 947 |
| XXXIII | PERSPECTIVE | 986 |
| XXXIV | ARTISTS’ MATERIALS | 1005 |
| XXXV | COMMISSIONS | 1008 |
| XXXVI | SCULPTURE | 1017 |
| XXXVII | CASTING | 1020 |
| XXXVIII | ARCHITECTURE | 1033 |
| XXXIX | MUSIC | 1052 |
| XL | TALES | 1053 |
| XLI | JESTS | 1057 |
| XLII | FABLES | 1060 |
| XLIII | A BESTIARY | 1074 |
| XLIV | ALLEGORY | 1093 |
| XLV | PROPHECIES | 1098 |
| XLVI | PERSONAL MATTERS | 1122 |
| XLVII | LETTERS | 1132 |
| XLVIII | DATED NOTES | 1156 |
| XLIX | BOOKS | 1163 |
| L | MISCELLANEOUS | 1174 |
| INDEXES | 1187 |