Complex sentence: He has published articles on parliamentary elections in Birmingham in 1880,1900 and 1906, with Mark Acton, he has edited a collection of material relating to Colonel Sibthorp, the ultra-Tory MP for Lincoln 1826-55.
Split into simpler sentences: He has published articles on parliamentary elections in Birmingham in 1880,1900 and 1906. With Mark Acton, he has edited a collection of material relating to Colonel Sibthorp, the ultra-Tory MP for Lincoln 1826-55.