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Notation	Thema	Titel in dieser Klasse	Titel in dieser Klasse und Unterklassen	Weitere Titel
	Haupttafeln
500	Naturwissenschaften	0 (DNB) 90 (GBV) 1 (HeBIS) 14 (SUB) 129 (SWB) 121 (FUB)	166425 (DNB) 724709 (GBV) 904377 (HeBIS) 310310 (SUB) 518783 (SWB) 477199 (FUB)	0 (DNB)
540	Chemie	0 (DNB) 77 (GBV) 3 (HeBIS) 14 (SUB) 168 (SWB) 37 (FUB)	25348 (DNB) 84512 (GBV) 128070 (HeBIS) 35258 (SUB) 57526 (SWB) 48556 (FUB)	0 (DNB)
541-547	Chemie	673 (DNB) 11809 (GBV) 15953 (HeBIS) 5453 (SUB) 8608 (SWB) k.A. (FUB)	22797 (DNB) 60079 (GBV) 112962 (HeBIS) 19728 (SUB) 40723 (SWB) k.A. (FUB)	86 (DNB)
547	Organische Chemie	165 (DNB) 3283 (GBV) 5099 (HeBIS) 1436 (SUB) 2417 (SWB) 569 (FUB)	12799 (DNB) 23432 (GBV) 51767 (HeBIS) 8556 (SUB) 15174 (SWB) 5537 (FUB)	8 (DNB)
547.2	Organisch-chemische Reaktionen	1627 (DNB) 2741 (GBV) 8985 (HeBIS) 1112 (SUB) 1854 (SWB) 434 (FUB)	3752 (DNB) 4634 (GBV) 14801 (HeBIS) 1801 (SUB) 2855 (SWB) 706 (FUB)	66 (DNB)
547.21	Allgemeine Themen zu chemischen Reaktionen	14 (DNB) 13 (GBV) 1542 (HeBIS) 4 (SUB) 15 (SWB) 1 (FUB)	1436 (DNB) 876 (GBV) 6010 (HeBIS) 328 (SUB) 393 (SWB) 72 (FUB)	0 (DNB)
547.23	Redoxreaktion (Oxidations-Reduktions-Reaktion)	130 (DNB) 273 (GBV) 1294 (HeBIS) 92 (SUB) 188 (SWB) 59 (FUB)	132 (DNB) 276 (GBV) 1294 (HeBIS) 92 (SUB) 189 (SWB) 60 (FUB)	20 (DNB)
547.27	Reaktionen zur Herstellung bestimmter Arten von organischen Verbindungen	233 (DNB) 123 (GBV) 1485 (HeBIS) 35 (SUB) 68 (SWB) 21 (FUB)	233 (DNB) 123 (GBV) 1485 (HeBIS) 35 (SUB) 68 (SWB) 21 (FUB)	5 (DNB)
547.28	Polymerisation	312 (DNB) 500 (GBV) 1512 (HeBIS) 157 (SUB) 288 (SWB) 89 (FUB)	319 (DNB) 510 (GBV) 1513 (HeBIS) 159 (SUB) 294 (SWB) 90 (FUB)	18 (DNB)
547.29	Fermentation	6 (DNB) 18 (GBV) 357 (HeBIS) 60 (SUB) 8 (SWB) 2 (FUB)	6 (DNB) 20 (GBV) 357 (HeBIS) 60 (SUB) 9 (SWB) 2 (FUB)	0 (DNB)

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