Proceedings of the Koninklijke Nederlandse Akademic van Wetenschappen (Proceedings of the Royal Netherlands Academy of arts and science) 

 - Amsterdam  North-Holland Publishing Company  1898 
 -  vol.1, no.1 (Jan 1898) .
<br/><br/> Lib. has v.93(1990)-V.95(1998) 
<br/><br/><label>Universal Decimal Class. No.: </label>5(492)(06)(05)  / PRO/N