Assertion: mortem photography | /r/CapableOf | remain popular
Facets:
value: among these groups
type: OTHER
value: for longer than the upper classes
type: TEMPORAL
Source sentences:
text: She also was a strong supporter of Barbara Norfleet's research into the ethnic minorities and middle-classes of America, insisting that post-mortem photography remained popular among these groups for far longer than the upper classes who had previously been studied.