For loose parts:
2212 [Missing]
https://rebrickable.com/parts/2212/duplo...staircase/
93150 [Missing]
https://rebrickable.com/parts/93150/dupl...top-studs/
2302pb08/2302pr0010 [Missing, but the unprinted part 2302 is in the official library]
https://rebrickable.com/parts/2302pr0010...4-windows/
11170 [on PT]
https://www.ldraw.org/cgi-bin/ptdetail.c.../11170.dat
2302pb07/2302pr0003 [Missing, but the unprinted part 2302 is in the official library]
https://rebrickable.com/parts/2302pr0003...y-and-cat/
11169 [on PT]
https://www.ldraw.org/cgi-bin/ptdetail.c.../11169.dat
6394 [in the official library]
https://www.ldraw.org/parts/official-par...artid=6394
22881 [on PT]
https://www.ldraw.org/cgi-bin/ptdetail.c.../22881.dat
15211 [on PT]
https://www.ldraw.org/cgi-bin/ptdetail.c.../15211.dat
2212 [Missing]
https://rebrickable.com/parts/2212/duplo...staircase/
93150 [Missing]
https://rebrickable.com/parts/93150/dupl...top-studs/
2302pb08/2302pr0010 [Missing, but the unprinted part 2302 is in the official library]
https://rebrickable.com/parts/2302pr0010...4-windows/
11170 [on PT]
https://www.ldraw.org/cgi-bin/ptdetail.c.../11170.dat
2302pb07/2302pr0003 [Missing, but the unprinted part 2302 is in the official library]
https://rebrickable.com/parts/2302pr0003...y-and-cat/
11169 [on PT]
https://www.ldraw.org/cgi-bin/ptdetail.c.../11169.dat
6394 [in the official library]
https://www.ldraw.org/parts/official-par...artid=6394
22881 [on PT]
https://www.ldraw.org/cgi-bin/ptdetail.c.../22881.dat
15211 [on PT]
https://www.ldraw.org/cgi-bin/ptdetail.c.../15211.dat