Lapsus Calami
- Lapsus Calami (1st ed., April 1891)
- Lapsus Calami (4th ed., August 1891)
The first edition of Lapsus Calami was issued April 1891, followed by a second edition the next month. The third edition, issued in June the same year, was thoroughly revised, dropping some pieces and adding a number of others. The fourth edition, issued in August, identical in contents to the third, added a preface and dropped the notes on the original publication of the individual poems.