[2] Tuberculosis at the beginning of the twentieth century was one of the biggest killers in the UK, responsible for more deaths than any other disease.

[3] The PCHA had been in operation since 1891 and had begun by taking poor children from Newcastle and Gateshead for day trips to the seaside at Tynemouth.

Over time this developed into providing longer holidays to the countryside and also led to the establishment of other institutions for the training of street children.

[4] When the sanatorium first opened in 1907 it contained only 50 beds but high demand and generous donations soon saw it expand with many new wards and additional facilities added over the coming years.

[10] Northumberland Archives also wrote a series of blogs about the project, some of which look into the lives of the patients, the treatments, and activities at Stannington Sanatorium.