In this summary, the author discusses his research on suicides & parasuicides in Dutch prisons during 1964-85. Recommendations include: investigating past suicidal behavior & present ideation of each new prisoner, monitoring during the early weeks, preparing inmates for loneliness & despair, providing opportunities to talk about problems & suicidal feelings, refraining from isolating measures after parasuicide, & educating prison staff in suicide prevention. (GW)