Autograph letter signed to A. Cayley
Autograph letter signed to A. Cayley
Autograph letter signed to F. Bashforth
Autograph letter signed to F. Bashforth
Autograph letter signed to F. Bashforth
Autograph letter signed to F. Bashforth
Copy of autograph letter signed to Charles Delaunay
Copy of autograph letter signed to Charles Delaunay
Copy of letter to J.W. Lubbock
Copy of letter to J.W. Lubbock
Copy of letter to J.W. Lubbock
Copy of letter to J.W. Lubbock
Copy of letter to W. De La Rue
Copy of letter to W. De La Rue
Copy of letter to W. De La Rue
Copy of letter to W. De La Rue
Draft? autograph letter signed to Charles Delaunay
Draft? autograph letter signed to Charles Delaunay
Draft autograph letter signed to Charles Delaunay
Draft autograph letter signed to Charles Delaunay