Shadow of a Doubt (1943) - pre-production drawing - Pre-production drawing by Dorothea Holt for ''Shadow of a Doubt''.Shadow of a Doubt (1943) - pre-production drawing - Pre-production drawing by Dorothea Holt for ''Shadow of a Doubt''.Shadow of a Doubt (1943) - pre-production drawing - Pre-production drawing by Dorothea Holt for ''Shadow of a Doubt''.Shadow of a Doubt (1943) - pre-production drawing - Pre-production drawing by Dorothea Holt for ''Shadow of a Doubt''.Shadow of a Doubt (1943) - pre-production drawing - Pre-production drawing by Dorothea Holt for ''Shadow of a Doubt''.Shadow of a Doubt (1943) - pre-production drawing - Pre-production drawing by Dorothea Holt for ''Shadow of a Doubt''.Shadow of a Doubt (1943) - pre-production drawing - Pre-production drawing by Dorothea Holt for ''Shadow of a Doubt''.Shadow of a Doubt (1943) - pre-production drawing - Pre-production drawing by Dorothea Holt for ''Shadow of a Doubt''.Shadow of a Doubt (1943) - pre-production drawing - Pre-production drawing by Dorothea Holt for ''Shadow of a Doubt''.Saboteur (1942) - production drawing - Production drawing by Dorothea Holt for ''Saboteur''.