A Cabinet Minister of the time (and it could have been so many of them) told Ms Toynbee it was 'socialism in one clause'.

Source: https://www.dailymail.co.uk/debate/article-12156567/MAIL-SUNDAY-COMMENT-Labour-offers-Middle-England-except-new-class-war.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

Historian Arnold Toynbee observed "an autopsy of history would show that all great nations commit suicide."

Source: http://www.semissourian.com/story/2989987.html

Sir Keir was introduced to the podium in Toynbee Hall by the president of the Board of Deputies of British Jews, Marie van der Zyl.

Source: https://jerseyeveningpost.com/morenews/uknews/2023/02/15/starmers-decision-to-bar-me-a-flagrant-attack-on-democracy-says-corbyn/