| Diplomatic transcription of the title page | To | Rudolf Firkušný | Concerto No. 3. | for piano | and orchestra. | New York 1948 | B. Martinu. | Dur = 25. minuts. |
| Number of leaves | 105 + 1 (titulní strana/title page) |
| Number of pages bearing notation | 106 |
| Total number of pages | 106 |
| Original pagination | 1–105 |
| Dimensions (width x height) | Ca 305 x 431 mm |
| Binding | Loose leaves |
| Paper characteristics | Light brown paper |
| Brand of paper | Circle Blue Print Co., Inc. |
| Number and arrangement of staves | 26 |
| Distance between staff lines | Ca 1,4 mm (stave ca 5,5 mm) |
| Writing instrument | Pen (black ink) |
| Diplomatic transcription of performing forces - 1st page of the score | Fl. 1./2. | Ob. 1./2. | Cl. 1./2. | F. 1./2. | Cor. | Gr. C. | Piano | I. | II. | V. | Vc. | CB. |
| Markings by B. Martinů | P. 6, 7, 11, 19, 20, 21, 22, 24, 33, 39, 49, 63, 73, 79 – corrections by pasting over |
| Comments | A note from the 11th of February 1993 from Jeremy Allan to Malcom Smith and Andrew Kemp is attached to the autograph: "Please store in the safe the enclosed autograph manuscript of Martinů's Piano Concerto No. 3." |