Autograph letter signed to Donald MacAlister
Autograph letter signed to Donald MacAlister
Autograph letter signed to Donald MacAlister
Autograph letter signed to Donald MacAlister
Note by Mrs A. of memories of JCA by a friend of hers who visited the Observatory
Note by Mrs A. of memories of JCA by a friend of hers who visited the Observatory
Autograph letter to unknown recipient
Autograph letter to unknown recipient
Autograph letter signed to Donald MacAlister
Autograph letter signed to Donald MacAlister
Autograph letter signed to Donald MacAlister
Autograph letter signed to Donald MacAlister
Autograph letter signed to Donald MacAlister
Autograph letter signed to Donald MacAlister
Autograph letter signed to Donald MacAlister
Autograph letter signed to Donald MacAlister
Autograph letter signed to Donald MacAlister
Autograph letter signed to Donald MacAlister
Autograph letter signed to Donald MacAlister
Autograph letter signed to Donald MacAlister