Notes on specimens of Psilophytes and associated fossils colelcted by D.H.S. Williams in the [chenning] shales of Ithaca, New York

• CA MUA MG 1022-2-1-385-0022
• Item
• August 1881

Part of Dawson-Harrington Families Fonds

Dawson, John William, Sir, 1820-1899

Letter, 16 June 1881

• CA MUA MG 1022-2-1-385-0021
• Item
• 16 June 1881

Part of Dawson-Harrington Families Fonds

Dawson, John William, Sir, 1820-1899

Note on fossil plants from the Carboniferous of Newfoundland

• CA MUA MG 1022-2-1-385-0020
• Item
• undated

Part of Dawson-Harrington Families Fonds

Dawson, John William, Sir, 1820-1899

Letter, 18 March 1879

• CA MUA MG 1022-2-1-385-0019
• Item
• 18 March 1879

Part of Dawson-Harrington Families Fonds

Williamson, William Crawford, 1816-1895

On Rhizocorps in the Palaeozoic revival

• CA MUA MG 1022-2-1-385-0018
• Item
• undated

Part of Dawson-Harrington Families Fonds

Dawson, John William, Sir, 1820-1899

Envelope

• CA MUA MG 1022-2-1-385-0017
• Item
• undated

Part of Dawson-Harrington Families Fonds

Postcard, 14 March 1883

• CA MUA MG 1022-2-1-385-0016
• Item
• 14 March 1883

Part of Dawson-Harrington Families Fonds

Orton, Edward, 1829-1899

Letter, 16 March 1883

• CA MUA MG 1022-2-1-385-0015
• Item
• 16 March 1883

Part of Dawson-Harrington Families Fonds

Williams, Henry Shaler, 1847-1918

On spines and spore cases in the Erian rocks

• CA MUA MG 1022-2-1-385-0014
• Item
• undated

Part of Dawson-Harrington Families Fonds

Dawson, John William, Sir, 1820-1899

Manuscript notes

• CA MUA MG 1022-2-1-385-0013
• Item
• undated

Part of Dawson-Harrington Families Fonds

Dawson, John William, Sir, 1820-1899