Greenhalgh's footnote 22 groups Song Jian's 1995 self-credit essay with a 1982 and a 1985 essay as instances of Song citing external validation of his own work
A few paragraphs after introducing Song Jian's 1995 self-credit line, Susan Greenhalgh writes (p. 259): "After 1980 his articles would sometimes note the praise his work had earned from China's leaders and famous foreign specialists." Her footnote 22 supporting that sentence names three works together: "Song Jian, 'Some developments in mathematical demography and their application to the People's Republic of China,' Theoretical Population Biology, Vol. 22 (1982), pp. 382–83; Song Jian, 'Systems science and China's economic reforms'; Song Jian, 'System science and policy-making.'" The essay carrying the self-credit line — pinned elsewhere to a specific 1999 collected-papers citation — is the third of these three, grouped by Greenhalgh with a 1982 English-language demography article and a 1985 essay on systems science and China's economic reforms.
This situates the self-credit passage (claim-song-jian-self-credited-1980-projections-triggered-one-child-policy) within a documented pattern in Song's own post-1980 writing — retrospective pieces that note external validation of his work — rather than as an isolated claim in a single essay. A separate footnote in the same paper (footnote 4, p. 254) also cites the 1995 essay, at p. 534, glossing Chinese usage of the term "control theory science" for cybernetics — three pages before the self-credit line at p. 537, consistent with an essay that opens with general systems-science terminology before turning to the population-policy case. Greenhalgh's footnote 14 (p. 257) cites a further, unread piece in the same 1999 volume: Huang Shouzeng, "Song Jian jianli" ("Brief biography of Song Jian"), pp. 744–752 — a biographical sketch alongside Song's own retrospective essays, not itself examined here.
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“After 1980 his articles would sometimes note the praise his work had earned from China's leaders and famous foreign specialists ... Song Jian, 'Some developments in mathematical demography and their application to the People's Republic of China,' Theoretical Population Biology, Vol. 22 (1982), pp. 382-83; Song Jian, 'Systems science and China's economic reforms'; Song Jian, 'System science and policy-making.'”
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