diff --git a/crates/chunkmd/src/footnote.rs b/crates/chunkmd/src/footnote.rs
index 5ffd6b5..37bd9f0 100644
--- a/crates/chunkmd/src/footnote.rs
+++ b/crates/chunkmd/src/footnote.rs
@@ -60,6 +60,10 @@ static NOTE_MARKER: LazyLock<FancyRegex> = LazyLock::new(|| {
       | \[ {SPACE}* (?:<span[^>]*>)? {SPACE}* \d{{1,3}}
         {SPACE}* (?:</span>)? {SPACE}* \] \( \#[^)]* \)  # [42](#...)
       | <sup> {SPACE}* \d{{1,3}} {SPACE}* </sup>   # bare sup note
+      | \\?\[ {SPACE}* (?: \[ {SPACE}* )?      # `\[←788 \]` and
+        [\u{{2190}}\u{{2191}}\u{{21D1}}\u{{23CE}}]  # `\[[←193](file#frag) \]`
+        {SPACE}* \d{{1,4}} {SPACE}*
+        (?: \] \( [^)\s]* \) )? {SPACE}* \\?\]
     )"
     ))
     .expect("a valid pattern")
diff --git a/crates/citefind/src/split.rs b/crates/citefind/src/split.rs
index 2ef64c0..72e2df2 100644
--- a/crates/citefind/src/split.rs
+++ b/crates/citefind/src/split.rs
@@ -99,6 +99,19 @@ static GLUED_NUMBER: LazyLock<Regex> =
 static COPYRIGHT_FOOTER: LazyLock<Regex> =
     LazyLock::new(|| Regex::new(r"©").expect("a valid pattern"));
 
+/// The back-reference marker a whole class of EPUB conversions leaves:
+/// `\[←788 \]`, or `\[[←193](index_split_011.xhtml#citation-193) \]` where
+/// the arrow is also a link back to where the note was called.
+static ARROW_MARKER: LazyLock<Regex> = LazyLock::new(|| {
+    Regex::new(
+        r"(?x) ^ \\?\[ \s* (?:\[\s*)?
+        [\x{2190}\x{2191}\x{21D1}\x{23CE}] \s*
+        (\d{1,4}) \s*
+        (?: \] \( [^)\s]* \) )? \s* \\?\] \s*",
+    )
+    .expect("a valid pattern")
+});
+
 /// A bullet or a blockquote marker, which conversion puts in front of a note
 /// often enough to matter. A leading `*` is left alone: it opens an italic
 /// title as often as it opens a list.
@@ -266,7 +279,7 @@ fn strip_marker(raw: &str) -> Entry {
     let text = BULLET.replace(&text, "").to_string();
     let (bare, from) = visible(&text, 160);
 
-    for pattern in [&*ANCHOR_LINK, &*ID_MARKER, &*LEADING_NUMBER] {
+    for pattern in [&*ARROW_MARKER, &*ANCHOR_LINK, &*ID_MARKER, &*LEADING_NUMBER] {
         let Some(found) = pattern.captures(&bare) else {
             continue;
         };
diff --git a/parity/KNOWN.md b/parity/KNOWN.md
index 6481a57..bf07d67 100644
--- a/parity/KNOWN.md
+++ b/parity/KNOWN.md
@@ -343,3 +343,27 @@ were always joined onto an absolute root.
 **Measured:** 32 cases, including a file at the root, a name beginning with a
 dash, a name that is only a dot, a non-ASCII name and an extension that is
 only a dot. Ordinary paths — the overwhelming majority — are byte-identical.
+
+---
+
+## chunkmd — the back-reference marker a whole class of EPUBs leaves
+
+`looks_like_citations` recognises one note marker the Python it was ported
+from did not:
+
+    \[←788 \]
+    \[[←193](index_split_011.xhtml#citation-193) \]
+
+An arrow pointing back to where the note was called, sometimes as a link and
+sometimes not, wrapped in escaped brackets. It is what a common EPUB
+conversion leaves behind, and ten books of the corpus use it — including both
+volumes of *The Decline of the West*, whose endnotes run to 830 entries of
+`Krumbacher, op. cit., pp. 969-90` and were being read as body prose. Every
+one of those books had zero citations extracted.
+
+The parity suite does not cover the footnote signal and no fixture carries
+the marker, so the tests agree either way. This is recorded because it is a
+deliberate difference from the Python, not because anything caught it.
+
+`citefind` strips the same marker when it cuts a page of notes into notes.
+