This is a list of SCP's that are contained or have been contained:
SCP-963
SCP-173
SCP-049
SCP-096
SCP-127
SCP-1074
SCP-966
SCP-1025
SCP-939
SCP-682
SCP-999
SCP-500
SCP-035
SCP-008
SCP-072
SCP-017
SCP-106
SCP-081
SCP-409
SCP-352