ScreenshotLimited Details
Watch the video here The section related to Lena Zavaroni starts at 00:05:50
Sadly the website does not give the dates for each of the clips in the video but we do know the year of Lena's section was circa 1974.
Sources
Spanish
NOT N 1773 B

MOTORISMO. III MOTOCROSS DE NAVIDAD. EN LA PLAYA DE LA CONCHA DE SAN SEBASTIAN.

INFORMACIONES Y REPORTAJES

LOS REYES MAGOS EN EL INSTITUTO PROVINCIAL DE PUERICULTURA Y EL HOSPITAL INFANTIL, DE MADRID.REPARTO DE JUGUETES.

LA ANTIGUA CIUDAD HUNGARA DE PECS, SE HUNDE. MEDIDAS URGENTES PARA SALVARLA.

LENA ZAVARONI, PEQUEÑA CANTANTE ESCOCESA. SU ACTUACION EN LA TELEVISION AUSTRIACA.

PAGINA EN COLOR. MODA SALVAJE. EXHIBICION DE PEINADOS POR MODELOS, EN EL ZOO DE MADRID.

English
NOT N 1773 B

MOTOR RIDING. III CHRISTMAS MOTOCROSS. ON THE BEACH OF LA CONCHA DE SAN SEBASTIAN.

INFORMATION AND REPORTS

THE THINGS IN THE PROVINCIAL INSTITUTE OF CHILDREN AND THE CHILDREN'S HOSPITAL, IN MADRID. DISTRIBUTION OF TOYS.

THE ANCIENT HUNGARIAN CITY OF PECS SINKS. URGENT MEASURES TO SAVE IT.

LENA ZAVARONI, LITTLE SCOTTISH SINGER. HER PERFORMANCE ON AUSTRIAN TELEVISION.

COLOR PAGE. WILD FASHION. EXHIBITION OF HAIRSTYLES BY MODELS, AT THE MADRID ZOO.