Black and white photograph of the face of a baby, David Burkhead, grandson of Robert Merrill's sister Ida Hewitt.

Black and white photograph of a baby, David Burkhead (grandson of Robert Merrill's sister Ida Hewitt), in a baby stroller and holding a toy.

Black and white photograph of a baby, David Burkhead (grandson of Robert Merrill's sister Ida Hewitt), in a wicker high chair.

Black and white photograph of a baby, David Burkhead (grandson of Robert Merrill's sister Ida Hewitt), in a wicker high chair.

Black and white photograph of Flora Merrill Hubbard's baby (likely Robert Hubbard) standing in sand and water. Water damage is visible on the image, which was scanned from the negative.

Black and white photograph of baby Robert Hubbard in Grand Rapids, Michigan. Water damage is visible on the image, which was scanned from the negative.

Black and white photograph (over exposed) of three people standing near a parked automobile in the Bad Lands (mile 16738) .

Black and white lantern slide of several baggage wagons being loaded onto ferry boats on the canal in China.

Black and white photograph of a north view of the Baja Temple of Venus. People are visible walking outside of the temple.

Black and white lantern slide of people standing next to an outdoor clay oven on a wooden stand.

Black and white photograph of Bala Falls, Ontario.

Black and white photograph of people standing on a dock. Buildings are visible along the shoreline in the distance.

Black and white photograph of a large windmill next to a building. A wagon pulled by horses stands in front of the building with two people next to it. Many people are visible working next to and on the steps of the mill. Two automobiles are parked…

Black and white lantern slide of a several surveyors standing and squatting in a cultivated field with hills in the background.

Black and white lantern slide of two bat-wing sailboats on China's Grand Canal.

Black and white lantern slide of a sketch of the Stag-horn Baton Paleolithic carvings from El Pendo Cave, Santander.

Black and white photograph of three ships at sea taken from on a boat.

Black and white photograph of the beach at Macatawa, Michigan. Taken by Robert Merrill from shore. Water damage is visible on the image, which was scanned from the negative.

Black and white photograph of the beach at Holland, Michigan. Taken by Robert Merrill, looking northeast from the water. Water damage is visible on the image, which was scanned from the negative.

Black and white photograph of a bear by the Fountain Hotel, Yellowstone National Park.The ground around the bear appears to be scattered with discarded metal cans.

Black and white photograph of bears at the back of the Old Faithful Inn, Yellowstone National Park.

Black and white photograph of shoreline at Beaumaris, Ontario. A large building is visible at the center.

Black and white photograph of the Beehive Geyser before eruption, Yellowstone National Park. A man and a woman are standing near the geyser.

Black and white photograph of the Beehive Geyser in eruption, Yellowstone National Park. Lena Billington Merrill can be seen at a short distance from the geyser.