Six of the Remaining Seven Sisters Are Well-Represented in LINKcat

The Story of the Seven Sisters: Women's Magazines at NYPL.  (Huffington Post, 3/31/2013)

In historical order according to start of publication.

Ladies' Home Journal (1873)

McCalls (1873, name changed to Rosie in2002; folded shoratly thereafter)

Good Housekeeping (1885)

Redbook (1903)

Better Homes and Gardens (1922)

Family Circle (1932)

Woman's Day (1937)