| Abbreviation | Definition | Source Type | Occurrences |
|---|---|---|---|
| ASC | Anglo-Saxon Chronicle. | source | 343 |
| Historical place-name form | Year and Source | Type of place | County |
|---|---|---|---|
| æt Heorotforda | 673 (c. 900) ASC A, 913 (c. 925) ASC A | Settlement | Hertfordshire |
| æt Heorotforda | 673 (c. 900) ASC A, 913 (c. 925) ASC A | Settlement | Hertfordshire |
| æt Heortforda | 913 (c. 1050) ASC D | Settlement | Hertfordshire |
| æt Heortforde | 673 (c. 1100) ASC E | Settlement | Hertfordshire |
| æt Sancte Albane | 957 (11th) BCS 994, 1114, 1125 (c. 1150) ASC | Settlement | Hertfordshire |
| æt Sancte Albanestowe | 1114 (12th) ASC H | Settlement | Hertfordshire |
| Beorhhamstede | 1066 (c. 1100) ASC D | Settlement | Hertfordshire |
| Hæþfelda | 680 (c. 900) ASC A | Settlement | Hertfordshire |
| Heorotforda | 673 (c. 900) ASC A, 913 (c. 925) ASC A | Settlement | Hertfordshire |
| Heorotforda | 673 (c. 900) ASC A, 913 (c. 925) ASC A | Settlement | Hertfordshire |
| Heortforda | 913 (c. 1050) ASC D | Settlement | Hertfordshire |
| Heortforde | 673 (c. 1100) ASC E | Settlement | Hertfordshire |
| on Hæþfelda | 680 (c. 900) ASC A | Settlement | Hertfordshire |
| Sancte Albane | 957 (11th) BCS 994, 1114, 1125 (c. 1150) ASC | Settlement | Hertfordshire |
| Sancte Albanestowe | 1114 (12th) ASC H | Settlement | Hertfordshire |