Here are some possible phrases or combinations of words that could be relevant to the topic, though none are exactly 17 letters:
* "African American Literary Renaissance" (29 letters) - Refers to the period of significant literary output and recognition of African American writers in the 1920s-1930s.
* "Black Literary Development" (23 letters) - A broader term encompassing the evolution of African American literature throughout history.
* "Black Literary Tradition" (20 letters) - Highlights the continuity and impact of Black writers across generations.
To create a 17-letter word, you might consider using a more specific aspect of the growth, such as:
* "Black Literary Voices" (19 letters) - Emphasizes the diversity and individuality of Black writers.
* "Black Literary Impact" (18 letters) - Focuses on the influence of Black literature on society.
Ultimately, the best word or phrase would depend on the specific context and what aspect of the growth you wish to highlight.