Royal Institution Christmas Lectures
[ar] محاضرات المعهد الملكي لعيد الميلاد
[de] Weihnachtsvorlesung (Royal Institution)
[es] Royal Institution Christmas Lectures
[it] Conferenze di Natale della Royal Institution
[ja] クリスマス・レクチャー
[nl] Royal Institution Christmas Lectures
[pt] Royal Institution Christmas Lectures
[sv] Royal Institution Christmas Lectures
[zh] 英国皇家科学院圣诞讲座