Ruislip tube station (English Wikipedia)

"Station Usage Data" (XLSX). Usage Statistics for London Stations, 2021. Transport for London. 12 July 2022. Archived from the original on 6 April 2025. Retrieved 7 September 2022.
"Station Usage Data" (XLSX). Usage Statistics for London Stations, 2022. Transport for London. 4 October 2023. Archived from the original on 19 March 2025. Retrieved 10 October 2023.
"Station Usage Data" (XLSX). Usage Statistics for London Stations, 2023. Transport for London. 8 August 2024. Archived from the original on 31 May 2025. Retrieved 16 September 2024.
"Station Usage Data" (XLSX). Usage Statistics for London Stations, 2024. Transport for London. 20 January 2026 [8 October 2025]. Archived from the original on 27 March 2026. Retrieved 27 March 2026.
"Station Usage Data" (XLSX). Usage Statistics for London Stations, 2025. Transport for London. 13 May 2026. Archived from the original on 19 July 2026. Retrieved 24 July 2026.

"Step free Tube Guide" (PDF). Transport for London. April 2025. Archived (PDF) from the original on 30 April 2025.
"Piccadilly line: Working Timetable 56" (PDF). Transport for London. Archived from the original (PDF) on 1 July 2016. Retrieved 31 May 2016.

web.archive.org (Global: 1^st place; English: 1^st place)

"Step free Tube Guide" (PDF). Transport for London. April 2025. Archived (PDF) from the original on 30 April 2025.
"Station Usage Data" (XLSX). Usage Statistics for London Stations, 2021. Transport for London. 12 July 2022. Archived from the original on 6 April 2025. Retrieved 7 September 2022.
"Station Usage Data" (XLSX). Usage Statistics for London Stations, 2022. Transport for London. 4 October 2023. Archived from the original on 19 March 2025. Retrieved 10 October 2023.
"Station Usage Data" (XLSX). Usage Statistics for London Stations, 2023. Transport for London. 8 August 2024. Archived from the original on 31 May 2025. Retrieved 16 September 2024.
"Station Usage Data" (XLSX). Usage Statistics for London Stations, 2024. Transport for London. 20 January 2026 [8 October 2025]. Archived from the original on 27 March 2026. Retrieved 27 March 2026.
"Station Usage Data" (XLSX). Usage Statistics for London Stations, 2025. Transport for London. 13 May 2026. Archived from the original on 19 July 2026. Retrieved 24 July 2026.
"Piccadilly line: Working Timetable 56" (PDF). Transport for London. Archived from the original (PDF) on 1 July 2016. Retrieved 31 May 2016.

Hardy, Brian, ed. (March 2011). "How it used to be - freight on The Underground 50 years ago". Underground News (591). London Underground Railway Society: 175–183. ISSN 0306-8617.