Medieval lore
| Bartholomaeus Anglicus, m. ca. 1272 |
| Medieval lore [Microform] : an epitome of the science, geography, animal and plant folk-lore and myth of the middle age / being classified gleanings from the encyclopedia of Bartholomew Anglicus On the properties of things ; edited by Robert Steele ; with a preface by William Morris. |
| London : E. Stock, 1893. |
| Bacon, Roger, ca. 1214-1294 |
| Opera hactenus inedita Rogeri Baconi / nunc primum edidit Robert Steele ; collaborante Ferdinand M. Delorme |
| Oxonii : Tipographeo Clarendoniano, 1930. |
Practical chemistry in the twelfth century
| Razi, Abu Bakr Muhammad ibn Zakariya, ca. 865-ca. 925. |
| Practical chemistry in the twelfth century : Rasis De aluminibus et salibus / [edited by] Robert Steele ; translated by Gerard of Cremona |
| In: Isis Vol. 12 (1929), p. 10-46 |
| Bacon, Roger, ca. 1214-1294 |
| Roger Bacon as professor : a student's notes / [edited by] Robert Steele |
| In: Isis Vol. 20 (1933), p. 53-71 |