EntityQ2235514· pop 12· linked from 28 articlessentry boxSign in to savebooth erected to provide elementary shelter to a sentryConnectionsWashington, D.C.EntityInternational Standard Book NumberEntityBuckingham PalaceEntityA. A. MilneEntitysecurity guardEntityblockhouseEntityshelterEntitybartizanEntityErnest Howard ShepardEntityoutpostEntitypicketEntityguardhouseEntitynational colourEntitypolice boxEntityWhen We Were Very YoungEntityRussell SturgisEntityCategoriesHouse typesSecurity guards