Euler's Correspondence, organized by date
1726 - 1729
| September | | from | Bernoulli, D. | (OO90) |
| 09 November | | to | Blumentrost, L. | (OO268) |
| November | | to | Bernoulli, D. | (OO91) |
| 24 December | | from | Bernoulli, D. | (OO92) |
| 18 January | | to | Bernoulli, D. | (OO93) |
| 18 February | | from | Bernoulli, D. | (OO94) |
| 20 April | | from | Wolff, Ch. | (OO2819) |
| 05 November | | to | Bernoulli, J. (I) | (OO190) |
| 09 January | | from | Bernoulli, J. (I) | (OO191) |
| 10 December | | to | Bernoulli, J. (I) | (OO192) |
| 18 February | | to | Bernoulli, J. (I) | (OO193) |
| 18 April | | from | Bernoulli, J. (I) | (OO194) |
| 16 May | | to | Bernoulli, J. (I) | (OO195) |
| 06 June | | from | Bernoulli, D. | (OO95) |
| 13 October | | to | Goldbach, Chr. | (OO715) |
| 21 October | | to | Bernoulli, J. (I) | (OO196) |
| November | | from | Buelfinger, G.B. | (OO356) |
| 01 December | | from | Goldbach, Chr. | (OO716) |
| 17 December | | from | Bernoulli, J. (I) | (OO197) |