<Tr> <Th> Date </Th> <Td> 15 May 1891 </Td> </Tr> <Tr> <Th> Argument </Th> <Td> On Capital and Labour </Td> </Tr> <Tr> <Th> Encyclical number </Th> <Td> 37 of 85 of the pontificate </Td> </Tr> <Tr> <Th> Text </Th> <Td> <Ul> <Li> In Latin </Li> <Li> In English </Li> </Ul> </Td> </Tr>

What are the key parts of the rerum novarum