Source: 25 Photoshop Tutorials For Coloring and Repairing Your Old And Damaged Photos
1. Coloring an old, black and white photo

2. How to restore and repair an old, damaged photograph

3. Repairing Old Photos

4.Repairing Old Pictures

5.How to: Repair old photos with Photoshop

6.Professional Photograph Restoration Workflow

7.Hand Colouring A Black And White Photo In Photoshop – Photoshop Tutorial

More: 25 Photoshop Tutorials For Coloring and Repairing Your Old And Damaged Photos