In the following review, West compares Baker's treatment of Hemingway and his work in Hemingway: The Writer as Artist to Philip Young's Ernest Hemingway.

In the following mixed review of Ernest Hemingway: A Life Story, Samuels disparages the objectivity of and amount of minute detail in Baker's biographical account.

In the following mixed assessment of Hemingway's selected letters, Ludington maintains that the collection will be “fascinating to a substantial audience who doubtless will find many details boring and references obscure.”

In the following favorable review, Hicks regards Ernest Hemingway: A Life Story as objective and superbly researched.

In the following mixed assessment of Hemingway: The Writer as Artist, Beach commends Baker's analysis of specific stories and novels, but criticizes his treatment of Hemingway's aesthetic.

In the following unfavorable review, Hardwick describes Ernest Hemingway: A Life Story as “an extensive, exhausting, repetitive record of the events of Hemingway's life.”

In the following review, Kazin maintains that Hemingway's selected letters “make a sometimes unbearably continuous and too emphatic record of the man's life, vehemence by vehemence.”

In the following negative review, Redman deems A Friend in Power dull and unfavorably compares Baker's novel to C. P. Snow's The Masters.

In the following positive assessment of the selected letters, Hart claims that “the true Hemingway devotee will savor every word, and every brief explanatory footnote by Carlos Baker, who has done a superb editorial job here.”

In the following laudatory review of Ernest Hemingway: A Life Story, Hart praises Baker's prodigious accomplishment.

In the following review, Oldsey contends that Hemingway's selected letters provide valuable insight into his life and work.

In the following positive review of Hemingway's selected letters, Burgess praises Baker's fine editing job of the volume.

In the following essay, Schorer applauds the abundance of research and fact in Ernest Hemingway: A Life Story, but perceives the biography as lacking interpretation and insight into the true character of Hemingway.

In the following review, Weeks offers a favorable assessment of Ernest Hemingway: A Life Story.

In the following positive review, Tuttleton asserts that Emerson Among the Eccentrics “is a massive, readable, at times witty, always erudite biography of Ralph Waldo Emerson.”

In the following review, Quinn asserts that Baker repudiates many of the critical perceptions about Hemingway and his work in Hemingway: The Writer as Artist.

In the following essay, Gleckner finds The Echoing Green limp and disappointing.

In the following favorable review of Selected Letters, Balitas asserts that Baker “has provided us the opportunity to learn a bit more about the man and his art.”

In the following review, French offers a negative assessment of The Echoing Green.

In the following favorable review of Hemingway: The Writer as Artist, Mizener contends that Baker succeeds in focusing on Hemingway's “essential character” and considers the study “a considerable accomplishment.”

In the following review, Gilpin offers a favorable assessment of Baker's biography of Emerson.