"Birmingham, England, Church of England Marriages and Banns, 1754-1937", database with digital images, Ancestry (http://www.ancestry.co.uk : accessed 8 September 2018), entry for Edward Harper and Dorothy Walters marriage date 16 February 1828; citing Anglican Parish Records. Birmingham, England: Library of Birmingham.

Text from source:

Marriage solemnized in the Parish of St Martins in Birmingham in the County of Warwickshire in the Year 1828
No: 557
Edward Harper of this Bachelor
Dorothy Walters of the parish of Widow
were married in this church By Licence
this sixteenth Day of
February in the year 1828
This marriage was Solemnized between us
Edward Harper and Dorothy
In the presence of Sarah Dugard,
Robert Dugard,
M.A. Webb,
G. Dugard