| LC control no. | sh 85018842 |
|---|---|
| LC classification | CE91 CE92 |
| Topical heading | Perpetual calendars |
| Variant(s) | Calendar, Perpetual Perpetual almanacs |
| See also | Calendars |
| Found in | AAT (Perpetual calendars) Descriptive terms for graphic materials (perpetual calendars) |
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