Edward Charles Pickering

Elements Of Physical Manipulation

Annals Of The Astronomical Observatory Of Harvard College

Annals Of The Astronomical Observatory Of Harvard College

History Of The Harvard College Observatory During The Period 1840-1890

Elements Of Physical Manipulation

An Account Of The Trust Administered By The Trustees Of The Charity Of Edward Hopkins

An Account Of The Trust Administered By The Trustees Of The Charity Of Edward Hopkins

The Theory Of Color In Its Relation To Art And Art-Industry

An Investigation In Stellar Photography

Dimension Of The Fixed Stars

Dimension Of The Fixed Stars

The Henry Draper Catalog; Volume 92