Harms R1749a R1749a R1749a 1749b 1749b 1749b H1824a H1824a H1840 H1860a Hm1824b S1860d S1860e St1820a B1749 B1749 B1820a B1820b B1840 U1840 U1860b U1860c U1860c B1860a B1860c