Columbia subject headings:
Great Britain. Army. 17th/21st Lancers.
World War, 1939-1945--Regimental histories--Great Britain.
Harvard subject headings:
Great Britain. Army. 17th/21st Lancers.
Great Britain. Army. Lancers, 17th/21st.
World War, 1939-1945--Regimental histories--Great Britain--17th/21st Lancers.
World War, 1939-1945--Regimental histories--Great Britain.
Princeton subject headings:
Great Britain. Army. 17th/21st Lancers.
World War, 1939-1945--Regimental histories--Great Britain--17th/21st Lancers.