The phrase "alone spoke of" is correct and usable in written English.
It can be used to indicate that something or someone is the sole subject or topic of discussion or reference.
Example: "The painting alone spoke of the artist's deep emotional struggles and personal journey."
Alternatives: "only referred to" or "solely indicated".
The composer Edgard Varèse, whose Ionisation (1931) was effectively the first piece for an orchestra of percussion alone, spoke of the emancipation of noise; the American vocalist Diamanda Galás merges song with primal screaming; on Scott Walker's album The Drift, we encounter not only the singer's distressed vocals, but also a member of his band relentlessly punching a side of meat.
Female, age 80 years, lives alone Code LA011 There were few data presented to support the existence of specific barriers to services for people living alone, yet those interviewees who did live alone, spoke of the difficulties they experienced.
I think that image alone speaks of the awesomeness, the power, the drama and the surprise that the ocean still delivers.
Readers are scooping up ebooks for 99 cents, that alone speaks of a demand for material at that price point.
The building alone speaks of what contribution we did.' (Female service user in individual interview) Our findings suggested that contributions to labour and materials were made by a wide range of community members irrespective of their economic status or gender.
"No individual alone speaks on behalf of the business or represents the values of the company," he said.
That act alone spoke to the severity of the situation ― normally she barely let me look at her phone, let alone lay my paws on it.
One quiet evening, a man eating alone spoke highly of the place and said that he was a regular.
The possibilities alone speak to the range of wildlife in the area.
That alone speaks to the quality of the Spurs' execution; no matter who comes in or out of the lineup, San Antonio stays within its offensive system and creates looks according to the game plan.
The plans for the development's public art alone speaks to the aspirations of CityCenter.
