White was one of the most influential figures in the Church of Scotland during the early decades of the 20th century, though his influence waned later in his life and he appeared increasingly isolated and anachronistic.
In 1911 he moved back to Glasgow, becoming minister of the Barony Church, where he remained until his retirement in 1934, being replaced by Rev Robert Scott.
This special Assembly took place in the Industrial Halls (now a bus garage), Annandale Street, Edinburgh to mark the reunion of the Church of Scotland and the United Free Church of Scotland - the Industrial Halls was the only suitable venue in the city large enough to accommodate the special Assembly.
The report further called for the ending of immigration of Irish Catholics to Scotland and the deportation of any convicted of a criminal offence or living on state benefits.
White urged a "racially pure" Scotland, declaring, "Today there is a movement throughout the world towards the rejection of non-native constituents and the crystallization of national life from native elements.