--subdivisions Equipment and Supplies and stores under names of individual military services, e.g. United States. Army--Equipment; United States. Army--Supplies and stores; and subdivision Equipment and supplies under individual wars, e.g. World War, 1939-1945--Equipment and supplies
Supply chain management -- See Business logistics Here are entered works on the system of managing the flow of materials (raw materials, supplies, purchased parts, etc.) from the suppliers, through the company processes, to the customers.
Support systems, Social -- See Social networks Here are entered works on the system of personal relationships in which an individual is involved, including neighborhood, friendship, kinship, occupational and economic connections, etc. --subdivision Social networks under classes of persons and ethnic groups
Supportive companions (Obstetrics) -- See Doulas Here are entered works on personnel who are experienced in childbirth and provide continuous, informed physical and emotional support to mothers during and following childbirth.
--subdivision Control under individual weeds and groups of weeds, e.g. Prickly pears--Control; Aquatic weeds--Control; and subdivision Weed control under individual crops and groups of crops, e.g. Corn--Weed control