This list was kept updated by the Palomar seach and published (Kowal et.al., 1971, Sergent et al., 1974) the total number of reported SNe reached 378. The Palomar SNe Master List has been kept updated by Kowal. A "Preliminary catalogue of SNe" was published by Karpowicz and Rudnicki (1968), and an improved and updated version, including later on (Flin et al. 1979). Besides a large body of data om the 454 SNe known up to that time and a list of 69 suspected and false SNe, a complete bibliography for each object was given.