text Hague Martinus Nijhoff 1950 Ind 220 p. : ill. ; 27 cm. 220 p. : ill. ; 27 cm. Bibl.: p. 213-215.-- Index: p. 216-220. UMBGROVE, J.H.F. EARTH 525 525UMBs INLIS000000000008401 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)