However , in NUMBER@1 and NUMBER@2 PERSON@1 created his three most famous engravings : The Knight , Death , and the MISC@1 -LRB- NUMBER@1 , probably based on PERSON@2 's treatise ` MISC@2 militis PERSON@3 ' -RRB- , PERSON@4 in his Study , and the much-debated Melencolia I -LRB- both NUMBER@2 -RRB- .

PERSON@1 's best known individual engravings -LRB- that is , ones that are not part of a series -RRB- include Knight , Death , and the MISC@1 -LRB- NUMBER@1 -RRB- , Saint PERSON@5 in his Study -LRB- NUMBER@2 -RRB- and PERSON@6 I -LRB- NUMBER@2 -RRB- .
