| Box One | Folder |
| Writings of others (Historical & literary) | 1 |
| Incoming correspondence | 2 |
| Misc | 3 |
| Notes regarding Henry Dalton | 4 |
| San Gabriel River notes | 5 |
| Sketches, maps, etc. | 6 |
| Copies & drafts of speeches & writings | 7 |
| Drafts of speeches & writings | 8 |
| Diary | 9 |
| Outgoing correspondence | 10 |
| Printed material (Historical) | 11 |
| Legal documents | 12 |
|
| Box Two | Folder |
| Printed material (Flood control & fisheries) | 1 |
| Coat of arms | 2 |
| Fish hatchery . Isaak Walton League | 3 |
| Printed material (Misc) | 4 |
| E Clampus Vitus | 5 |
| Baker, Dorothy | 6 |
| Clippings | 7 |
| Drafts of speeches & writings | 8 |
| Local history | 9 |
| Additional books and materials also contained in box. |
|
| Box Three | Folder |
| Photographs | |
People | 1 |
People | 2 |
People | 3 |
People | 4 |
Places & things | 5 |
Places & things | 6 |
| One Photo Album outside of box. |
|
| Box Four | Folder |
| Photographs | |
Places & things | 1 |
Places & things | 2 |
Flood control | 3 |
Flood control | 4 |
Flood control | 5 |
Flood control | 6 |
Negatives (Nitrate) | 7 |
| One Photo Album outside of box. |
|
| Box Five | Folder |
| Sam Browne Materials | |
Incoming correspondence | 1 |
Outgoing correspondence | 2 |
Philippines Disbursing Office Records | 3 |
Big Tujunga Dam | 4 |
Endorsements | 5 |
Literary | 6 |
Radio scripts | 7 |
Misc | 8 |
Photos | 9 |
Clippings | 10 |
| Additional materials also contained in box. |