By the beginning of the 20th century these collections had grown to include artifacts from around the world and across several centuries; a system to organize and categorize them became necessary.
A system to organize and categorize them became necessary. By the beginning of the 20th century these collections had grown to include artifacts from around the world and across several centuries.
By the beginning of the 20th century these collections had grown to include artifacts from around the world and across several centuries. A system to organize and categorize them became necessary.
By the beginning of the 20th century these collections had grown to include artifacts from around the world and across several centuries. A system to organize and categorize them became necessary.