Browse Items (2 total)
- Subject is exactly "Helmholtz, Hermann von,1821-1894.1821-1894."
Sort by:
[Letter to George F. Fitzgerald from R.T. Glazebrook].Item of correspondence from GFF letters
[Letter to George F. Fitzgerald from Reginald Aubrey Fessenden],Item of correspondence from GFF letters
Item of correspondence from GFF letters
Item of correspondence from GFF letters