| RefNo | Title | Source |
| DF/TM/1/34/10 | Correspondence F: Frowhawk | |
| DF/TM/1/42/23 | Correspondence F: Frohawk | |
| DF/TM/1/62/24 | Correspondence F: Frityg; Frohawk | |
| DF/TM/1/2/4 | Correspondence F: Fenn; Frohawk | |
| DF/TM/1/49/16 | Correspondence F: Frohawk; Frost; Fruhstorfer | |
| DF/ZOO/200/67/51 | Frohawk, F W (Thundersley, Essex) | |
| DF/ZOO/200/69/68 | Frohawk, F W (Essex) | |
| DF/ZOO/200/33/94 | Frohawk, Frederick William | |
| DF/ZOO/200/65/50 | Frohawk, F W (Wallington) | |
| DF/ZOO/200/26/117-118 | Frohawk, Frederick William | |
| DF/TR/1/1/28/206 | Frohawk, [Frederick] [William] | |
| DF/TM/1/7/5 | Correspondence F: Frohawk | |
| DF/TR/1/1/25/162 | Frohawk, [Frederick] [William] | |
| DF/TR/1/1/33/189 | Frohawk, [Frederick] [William] | |
| DF/TR/1/1/30/177 | Frohawk, [Frederick] [William] | |
| DF/ZOO/235/1/1/1/274 | Frohawk, Frederick William | |
| DF/ZOO/235/1/1/5/81 | Frohawk, Frederick. William. | |
| DF/ZOO/200/71/72 | Frohawk, F W (Essex) | |
| DF/ZOO/230/23/198-201 | Frohawk, Frederick W | |
| DF/TR/1/1/27/189 | Frohawk, [Frederick] [William] | |
| DF/TR/1/1/29/225 | Frohawk, [Frederick] [William] | |
| DF/TM/1/20/6 | Correspondence F: Frohawk; Fruhstorfer | |
| DF/TM/1/13/6 | Correspondence F: Fric; Friedländer; Frowhawk | |
| DF/TR/1/1/34/176 | Frohawk, [Frederick] [William] | |
| DF/TR/1/1/31/207 | Frohawk, [Frederick] [William] | |
| DF/TR/1/1/32/164 | Frohawk, [Frederick] [William] | |
| DF/TR/1/1/24/145 | Frohawk, [Frederick] [William] | |
| DF/TR/1/1/24/7 | Alpheraky, Serghyi | |
| DF/TM/1/27/6 | Correspondence F: Friese; Frohawk | |
| DF/TR/1/1/26/200 | Frohawk, [Frederick] [William] | |
| DF/TR/1/1/27/620 | Wytsman, [Philogene] | |
| DF/ZOO/207/17 | Frohawk, F W: account book, 1917-1918 | |