| StorageSite | UCL Special Collections |
| Level | Item |
| Reference Number | PENROSE/2/1/8/2 |
| Title | Essay on the Relation of the Pleasure-Pain Principle to the Question of Growth |
| Date | 1925 |
| Description | Contains a typescript draft, heavily annotated, on the relation of Freud's Pleasure-Pain Principle to the question of growth; graphs showing the rate of growth in mentally able and disabled humans, and in plants; data, tabulations and diagrams on the growth of living organisms; and printed and typescript abstracts for Penrose's paper on "The Relation of the Pleasure-Pain Principle of Freud to the Question of Growth" which was read at a meeting of the British Psychological Association (Medical Section) on 25 May 1925. |
| Extent | 69 folios |
| AccessStatus | Open |
| AccessConditions | The papers are available subject to the usual conditions of access to Archives and Manuscripts material, after the completion of a Reader's Undertaking. |
| Related Material | See PENROSE/2/1/8/6 for a later draft of this essay. |