Tradition
Confucian Shinto

Overview
Confucian Shinto (儒家神道, Juka Shintō) is a Japanese syncretic religious tradition of Shinto as interpreted by Confucianists. Several schools of Confucian Shinto were established during the Edo period.
Within Sect Shinto, Shinto Taiseikyo (神道大成教) and Shinto Shusei are considered Confucian-influenced groups.
Overview adapted from Wikipedia (CC BY-SA 4.0; see the article history for authors).
Possible passages
Found by search and not yet checked by a person; they may only mention the idea in passing.
He points out that, until recent times, the religion of Japan was Buddhism, to the practical exclusion of every other. There had been, in very ancient times, a native religion called Shinto, and it had lingered on obscurely. But it is only during the last forty years or so that Shinto has been erected into a State religion, and has been reconstructed so as to suit modern requirements.[48] It is, of course…
Bertrand Russell, The Problem of China
States what Confucian Shinto is.
The greatest name in their literature, or indeed in their history, is that of Confucius, a philosopher and religious teacher who lived about 500 years B.C., and who left a number of books expounding and enforcing the great maxims of morality. During all the revolutions that have since elapsed, the doctrines of Confucius have retained their hold of the Chinese mind, and the religion of China consists in little more…
Voltaire, Voltaire's Romances, Complete in One Volume
Close in meaning to Confucian Shinto; the term itself is not named.
The circle of sacred objects cannot be determined, then, once for all. Its extent varies infinitely, according to the different religions. That is how Buddhism is a religion: in default of gods, it admits the existence of sacred things, namely, the four noble truths and the practices derived from them.[65]
Émile Durkheim, The Elementary Forms of the Religious Life
States what Confucian Shinto is.
Related ideas
Place in the tradition
Part of East Asian religions.