"Cameos recalling the instructions of Dame Whiteridge, the elder stateswoman of the Dayport Women's Society. Dame Whiteridge was renowned for her strict and unswerving insistence on fashion and etiquette among The City's ladies."
The Constant Lady[]

"It is the duty of all ladies in public to maintain their presentability to their gentlemen."
Availability: the Happy Medium side mission
The exact location: The collectible is in the chest on the main floor of the warehouse [South Quarter / Riverside - Eelbiters Warehouse], close to the building's entrance. Watch out for the two enemies in the area.
The Virtuous Lady[]

"For the pale skin of the virtuous, one must don a mask of arsenic and zinc."
Location: Collector's Lodge, during the Vittori Client Job The Carnal Connoisseur - inside the cellar vault, hit the false brick on the wall (use Focus if necessary) to cause the stuffed bear to slide back and reveal the hidden chamber below.
The Porcelain Lady[]

"To keep teeth white, one should treat them daily with a mixture distilled from the coca plant."
Availability: The Sideshow Attraction side mission
The exact location: At one of the lower floors in the building, there is the locker room [Stonemarket - Watch Station Lockers] and that is where you need to get. Walk around the bandit carefully (it is also a good idea to distract him) and break into the locked chest, quickly, in order to obtain the collectible.
The Observant Lady[]

"For wide, innocent eyes beloved of gentlemen, a few drops of belladonna will delight."
Location: Oxheart Perry's pawnshop, during the Ector Client Job Silence is Golden - in the drawers of the wardrobe in Perry's bedroom
The Statuesque Lady[]

"To keep one's figure trim and healthy, fasting and tight corsetry are a must."
Location: Alfonso's Attire, during Client Job Hand Tailored (upstairs apartment bedroom, in the drawers next to the bed)
The Burnished Lady[]

"For shining hair of perfectly straight aspect, heat irons in the fire until scalding, then apply."
Location: Clockwise's House, during Ector Client Job Heartbroken, in a wardrobe in one of the upstairs bedrooms