Biddle, O. A plan for a school or an establishment similar to that at Ackworth, in Yorkshire, Great Britain, varied to suit the circumstances of the youth within the limits of the Yearly-meeting for Pennsylvania and New Jersey: Introduced with the sense of Friends in New-England, on the subject of education : and an account of some schools in Great-Britain : to which is added observations and remarks, intended for the consideration of Friends. Philadelphia: Printed by Joseph Crukshank.

Biddle, Owen. A Plan for a School or an Establishment Similar to That At Ackworth, in Yorkshire, Great Britain, Varied to Suit the Circumstances of the Youth Within the Limits of the Yearly-meeting for Pennsylvania and New Jersey: Introduced With the Sense of Friends in New-England, On the Subject of Education : And an Account of Some Schools in Great-Britain : To Which Is Added Observations and Remarks, Intended for the Consideration of Friends. Philadelphia: Printed by Joseph Crukshank.

Biddle, Owen. A Plan for a School or an Establishment Similar to That At Ackworth, in Yorkshire, Great Britain, Varied to Suit the Circumstances of the Youth Within the Limits of the Yearly-meeting for Pennsylvania and New Jersey: Introduced With the Sense of Friends in New-England, On the Subject of Education : And an Account of Some Schools in Great-Britain : To Which Is Added Observations and Remarks, Intended for the Consideration of Friends. Philadelphia: Printed by Joseph Crukshank.