Hartley, O. (1969). Housing policy in four Lincolnshire towns, 1919-1959.
Lua i Stíl Chicago (17ú heag.)Hartley, O. Housing Policy in Four Lincolnshire Towns, 1919-1959. 1969.
Lua MLA (9ú heag.)Hartley, O. Housing Policy in Four Lincolnshire Towns, 1919-1959. 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.