Autograph letter signed to his parents
Autograph letter signed to his parents
Autograph letter signed to J.C. Adams
Autograph letter signed to J.C. Adams
Copy of letter to G.B. Airy
Copy of letter to G.B. Airy
Copy of letter to G.B. Airy
Copy of letter to G.B. Airy
Autograph letter signed to Donald MacAlister
Autograph letter signed to Donald MacAlister
Autograph letter signed to John Willis Clark
Autograph letter signed to John Willis Clark
Printed poem
Printed poem
Autograph letter signed to Donald MacAlister
Autograph letter signed to Donald MacAlister
Statement of events concerned with the deposit of the paper on the New Planet [Neptune] with Airy in Oct. 1845
Statement of events concerned with the deposit of the paper on the New Planet [Neptune] with Airy in Oct. 1845
Autograph letter signed to John Willis Clark
Autograph letter signed to John Willis Clark