Plans and correspondence relating to Keith Hall Box of architectural plans relating to Keith House. These fall into two main groups: 1. Large-scale plans [by Arthur George Sydney Mitchell] of external and internal architectural details of the house, dated 1897 - 1898. Architect's name omitted, but plans signed [date], 13 Young Street, Edinburgh (17 items) 2. Plans and correspondence relating mainly to the heating system and sanitary fittings at Keith Hall, 1894 - 1903, by the firms of Walker & Duncan Civil Engineers; D. &. J. Tullis Ltd., Ehgineers and Ironfounders, Clydebank, ; and James Garvie & Sons, Rose Street, Aberdeen. (13 items) 1894 - 1903