1 Fischer, O., "The Syntax of Early English" Cambridge University Press 2000
2 Kelly, Richard J., "The Blickling Homilies: Edition and Translation" Continuum 2003
3 Morris, R., "The Blickling Homilies of the Tenth Century. 3 vols. Early English Text Society OS 58, 63, 73, 1874, 1876, 1880. [reprinted as one volume in 1967, London]"
4 Willard, Rudolph, "The Blickling Homilies in:Early English Manuscripts in Facsimile" Rosenkilde and Bagger 1960
5 Traugott, Elizabeth C., "Syntax in:The Cambridge History of the English Language" Cambridge University Press 168-289, 1992
6 Andrew, S. O., "Syntax and Style in Old English" Russell & Russell 1966
7 Mitchell, Bruce, "Old English Syntax 2" Clarendon Press 1985
8 Millward, Celia M., "Imperative Constructions in Old English" Mouton 1971
9 Rauert, M., "Die Negation in den Werken Alfreds" Kiel Dissertation 1910
10 Einenkel, Eugen, "Die Englische Verbalnegation" 35 : 187-248, 1911
1 Fischer, O., "The Syntax of Early English" Cambridge University Press 2000
2 Kelly, Richard J., "The Blickling Homilies: Edition and Translation" Continuum 2003
3 Morris, R., "The Blickling Homilies of the Tenth Century. 3 vols. Early English Text Society OS 58, 63, 73, 1874, 1876, 1880. [reprinted as one volume in 1967, London]"
4 Willard, Rudolph, "The Blickling Homilies in:Early English Manuscripts in Facsimile" Rosenkilde and Bagger 1960
5 Traugott, Elizabeth C., "Syntax in:The Cambridge History of the English Language" Cambridge University Press 168-289, 1992
6 Andrew, S. O., "Syntax and Style in Old English" Russell & Russell 1966
7 Mitchell, Bruce, "Old English Syntax 2" Clarendon Press 1985
8 Millward, Celia M., "Imperative Constructions in Old English" Mouton 1971
9 Rauert, M., "Die Negation in den Werken Alfreds" Kiel Dissertation 1910
10 Einenkel, Eugen, "Die Englische Verbalnegation" 35 : 187-248, 1911
11 Bosworth, Joseph, "An Anglo-Saxon Dictionary" Oxford University Press 1898
12 Campbell, A., "A Review of La Structure de la phrase verbale à l’époque Alfrédienne by Paul Bacquet, 1962" 15 : 190-193, 1962
13 Mazzon, Gabriella, "A History of English Negation. Harlow" Pearson Longman 2004
14 Quirk, R., "A Comprehensive Grammar of the English Language" Longman 1985