[1] Her first book written in Dutch Lieve koningin, hierbij stuur ik U mijn dochter ("Dear Queen, I hereby send you my daughter") was published in 1976.

[2] Diekmann started coaching Garmers and taught her, among other things, how to best structure a book.

[2] Diekmann coached Garmers when she was writing her first Dutch book Lieve koningin, hierbij stuur ik U mijn dochter (1976).

In 1973, she published a collection of poems in collaboration with Nydia Ecury and Mila Palm.

[1] In 1981, she won the Nienke van Hichtum-prijs for her book Orkaan en Mayra (1980).