- Image: Ledgers made at Cowans, Edinburgh by Edinburgh City of Print under CCA-SA 2.0 Generic.
- Image: Revenue Growth by Anup Sankaran under public domain.
- Image: In The Days Before Microsoft Excel Expenses Were Done Like This. Old expense accounts dating from 1964 litter the ground around the now derelict by Steve Reeves under CCA-SA 2.0 Generic
- Image:Jacopo de' Barbari - Portrait of Fra Luca Pacioli and an Unknown Young Man - by Web Gallery of Art (#1269) under public domain.
- Image: VA EA Repository Introduction EA information is collected from various business and project source documents by va.gov under public domain.
- Screenshot images of trial balance , year-end worksheet and income statement template were created by the author.
- Image: Expenses by Author Unknown under public domain.