Columbia subject headings:
Limestone.
Masonry industry.
Mortar.
Harvard subject headings:
Aggregates (Building materials)--Sweden--History.
Binders (Materials)--Sweden--History.
Building materials industry--Sweden--History.
Lime industry--Sweden--History.
Limestone industry--Sweden--History.
Masonry--Sweden--History.
Stone industry and trade--Sweden--History.
Princeton subject headings: