Lincoln saved a first-half spot-kick – and the rebound – to keep it level at half-time before new recruit Lawrence scored his second goal in three games just after the break, which proved enough for the threepoints.
It moves Jamie Howell’s side back up to ninth place in the table ahead of a visit to Kingstonian next weekend.
See pictures by Lyn Phillips and Trevor Staff on this page and those linked – or on the single page if you’re on the Observer website – and get the Rocks latest in the Bognor Observer every Thursday.
1. Trevor Staff
Bognor Regis Town v Southall, Isthmian south central division Photo: Lyn Phillips and Trevor Staff
2. Trevor Staff
Bognor Regis Town v Southall, Isthmian south central division Photo: Lyn Phillips and Trevor Staff
3. Lyn Phillips
Bognor Regis Town v Southall, Isthmian south central division Photo: Lyn Phillips : Lyn Phillips and Trevor Staff
4. Lyn Phillips
Bognor Regis Town v Southall, Isthmian south central division Photo: Lyn Phillips : Lyn Phillips and Trevor Staff