La Biblioteca de La Rioja presenta dos cuadernos clandestinos | Noticias El Día de la Rioja
Cuaderno de espiral «Pastillas para enfriar» de eklocko | Redbubble
Pregnancy and labour cause more deaths than oral contraceptives”: The debate on the pill in the Spanish press in the 1960s and 1970s - Teresa Ortiz-Gómez, Agata Ignaciuk, 2015