|  |  | Carvel-building in Northern Europe before 1450 | Analytt | 386(091)(05) M 34 Unger, Richard W. / I: The Mariner's mirror.  - Nr. 3, 1971 - Cambridge. - 331-333
 | Unger, Richard W. |  | 
				|  |  | Dutch shipbuilding before 1800 : ships and guilds | Bok | 629.12(492) U Unger, Richard W. /  - Assen, 1978. - xi, 216 s.
 | Unger, Richard W. | 1978 | 
				|  |  | Four Dordrecht ships of the sixteenth century | Analytt | 386(091)(05) M 34 Unger, Richard W. / I: The Mariner's mirror.  - Nr. 2, 1975 - Cambridge. - 109-116
 | Unger, Richard W. |  | 
				|  |  | Labour Productivity in Ocean Shipping, 1450-1875 | Analytt | 656.6(091)(05) I Lucassen, Jan / I: International Journal of Maritime History.  - Vol.XII, No.2, 2000 - St. John's, 2000. - s.127-141
 | Lucassen, Jan | 2000 | 
				|  |  | Nautical archaeology : progress and public responsibility | Bok | q902.034 L Langley, Susam B.M., ed. /  - Oxford : B.A.R., 1984. - 219 s. (British Archaeological Reports) - Språk: Engelsk
 | Langley, Susam B.M., ed. | 1984 | 
				|  |  | Northern ships and the late medieval economy | Analytt | q386(091)(05) A Unger, Richard W. / I: American Neptune.  - Vol.53, No.4, 1993 - Salem, Mass, 1993. - S.247-253
 | Unger, Richard W. | 1993 | 
				|  |  | Selling Dutch ships in the sixteenth century | Analytt | 386(05) M 36 Unger, Richard W. / I: Maritime History.  - Nr. 2, 1973 - Newton Abbot; Devon. - 125-146
 | Unger, Richard W. |  | 
				|  |  | Shipping and economic growth 1350-1850 | Bok | q656.6"13/18" S Leiden : Brill, 2011. - 464 s. (Global economic history series : 7) - Språk: Engelsk
 |  | 2011 | 
				|  |  | Shipping and Western European Economic Growth in the Late Renaissance : Potential Connections | Analytt | 656.6(091)(05) I Unger, Richard W. / I: International Journal of Maritime History.  - Vol. XVIII, No. 2, 2006 - St. John's, 2006. - s. 85-104 - Språk: Engelsk
 | Unger, Richard W. | 2006 | 
				|  |  | Ships and shipping in the North Sea and Atlantic, 1400-1800 | Bok | 629.12(492) U Unger, Richard W. /  - Brookfield, VT : Ashgate Variorum, cop. 1997. - xiii, 135, 13 s. (Variorum collected studies series) - Språk: Engelsk
 | Unger, Richard W. | cop. 1997 |